E4200 - connection speed slow

Have E4200 has been running 6 months. Have it now installed in my new home and it was so fast in download and upload with Cox Preferred. It has slowly been loosing it punch wirelsss I hit 1.5 to 8.5 download by ethernet 8-10 really slow especially when we were hittin over 21 on download slowest was over 18. What do I do I can't buy another especially after spending $175 is it defective?

There are many reasons why you experience slow speed or connection. Well, there are few things you should keep in mind with regards to N routers:
•    Wireless Channel
The default setting for most Linksys Gateway is either Auto or Channel 6-2.437 GHz.
QUICK TIP:  For Wireless-N Dual Band-Routers/ Gateway, it is best to use 20 MHz when in a 2.4 GHz or 5 GHz populated area to avoid wireless interference.  For less crowded networks, you can use 40 MHz on a 5 GHz.  If you’re unsure, you may leave channel width at Auto.  This will automatically adjust the settings to 20 or 40 MHz, depending on which best fits your network.
If you are selecting the 5 GHz wireless network, ensure that your wireless devices and adapters have a 5 GHz capability for selectable dual-band.  Otherwise, do not change the frequency of your router. 
•    Wireless Security
It is the encryption method used to protect a wireless network from intruders.  For best wireless-N performance, encrypt your router with WPA2-AES. 
After configuring your Gateway with these settings, make sure that all wireless devices are in sync with the Gateway‘s wireless configuration.  Also, place the wireless Gateway on an elevated spot and away from other devices that may cause interference.
•     Wi-Fi Multimedia (WMM) is a wireless Quality of Service feature that should be disabled.
•    Make sure the drivers for the Wireless Card for the computers should be updated as well..

Similar Messages

  • Connection speed slowing down/degrading

    I have been on BT infinity for a 6 monthss now - I had alot of trouble with the home hub but relaced it with an ASUS DSL-AC68U which is great (latest firmware installed).  However over the past month or so I have noticed by connection speeeds slowing - both up and down speeds.  I was getting around 70000kbps down and 20000kbps up but this has dropped to 52/12 ish.
    The router auto diagnostics is also reporting an unstable DSL connection.
    it seems there is a connection problem or something has changed at the exchange...?

    your connection time is only 12 hrs was that a manual reset or router dropping conenction
    can you try quiet line test  dial 17070 option 2  should be quiet and best done with corded phone
    If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
    If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.

  • Connection speed slowed to a crawl!

    I have posted before about the issue with slow connection speeds.  Well the issue has once more reared its head after a reasonable period of achieving decent speed considering distance from the exchange etc.
    Today the connection virtually unusable and when I checked the ADSL line stats downstream had dropped from over 4MBps to under 1 the noise margin had increased to 19dB from around 6dB.  I ran a quiet line test which proved ok
    My connection is via an extension and has been this way for a good number of years.  AFAIK there are no problems with the extension after checking filters etc. nothing has changed since installation, but obviously cannot rule out completely although cannot see why a sudden change. 
    I turned off the home hub and waited for a minute then back on again.  The comparison below shows changes to original figures only. 
    ADSL Line Status
                                                    Original                                   Today
    Downstream:
                                   4.313 Mbps                 2.406 Mbps
     Upstream:
                                   448 Kbps
    ADSL Settings
    VPI/VCI:
    0/38
    Type:
    PPPoA
    Modulation:
    G.992.1 Annex A
    Latency type:
    Interleaved
    Noise margin (Down/Up):
    6.3 dB / 20.0 dB        15.9 dB / 21.0 dB
    Line attenuation (Down/Up):
    50.1 dB / 31.5 dB      51.1 dB / 31.5 dB
    Output power (Down/Up):
    19.1 dBm / 12.3 dBm 18.5 dBm / 12.3 dBm
    FEC Events (Down/Up):
    150 / 0                          0 / 0
    CRC Events (Down/Up):
    1 / 0
    Loss of Framing (Local/Remote):
    0 / 0
    Loss of Signal (Local/Remote):
    0 / 0
    Loss of Power (Local/Remote):
    0 / 0
    HEC Events (Down/Up):
    0 / 0
    Error Seconds (Local/Remote):
    1 / 0

    Today I have had a visit from an engineer and my faulty extension(?) has been replaced as has the original BT master socket with a BT ADSL v1.0 filter.
    The interesting thing for me was that the engineer asked if we had Sky HD which I must admit I did not think could be an issue but when disconnected the slow speed I had been experiencing increased to Downstream 2.688Mbps, Upstream 448Kbps.  So obviously Sky is taking some bandwidth?
    After the new extension and ADSL faceplate the downstream/upstream speed have remained the same (as when Sky disconnected).  I am hoping that speeds will improve over the next few days but was informed that it is possible due to previous issues that the speed has been throttled which may mean it will not recover without me contacting BT directly.  If this is the case how long should I wait?
    These are my new ADSL stats:
    ADSL Line Status
    Connection Information
    Line state:
    Connected
    Connection time:
    0 days, 02:53:30
    Downstream:
    2.688 Mbps
    Upstream:
    448 Kbps
    ADSL Settings
    VPI/VCI:
    0/38
    Type:
    PPPoA
    Modulation:
    G.992.1 Annex A
    Latency type:
    Interleaved
    Noise margin (Down/Up):
    15.2 dB / 19.0 dB
    Line attenuation (Down/Up):
    50.9 dB / 31.5 dB
    Output power (Down/Up):
    18.5 dBm / 12.3 dBm
    FEC Events (Down/Up):
    1115 / 0
    CRC Events (Down/Up):
    6 / 0
    Loss of Framing (Local/Remote):
    0 / 0
    Loss of Signal (Local/Remote):
    0 / 0
    Loss of Power (Local/Remote):
    0 / 0
    HEC Events (Down/Up):
    73 / 0
    Error Seconds (Local/Remote):
    2 / 0

  • Internet Connection Speed SLOW!

    My Set-up...
    2012 MacPro 3.33 GHz 6-Core Intel Xeon running Mavericks 10.9.5
    Airport Extreme Base Station -  Card Type: AirPort Extreme  (0x14E4, 0x8E) - Supported PHY Modes: 802.11 a/b/g/n - Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
    Modem - NEW Arris DOCSIS 3 CM820
    Suddenlink High-Spped Cable (up to 50Mbps advertised in my area)
    MackBook Pro 17" 2011 Model running Yosemite 10.10.2
    Here is my problem. Last week Suddenlink increased the minimum bandwidth in my area to 50Mbps from 15Mmbps. They said I would need to upgrade to a DOCSIS 3 Modem to be able to take advantage of that speed increase however, so they sold me a new modem (Arris CM820) which I hooked up today.
    I ran a Speed-Test at http://www.speakeasy.net/speedtest/ both with my old Motorola Modem just before I disconnected it, then ran the test again after I upgraded the modem. I am connected to BOTH my PowerMac 2012 and my MacBook Pro 2011 via the SAME WiFi Network Base Station (Airport Extreme). My older MacBook Pro immediately showed a HUGH Speed Gain when running the speed-test, but the MacPro "download speed" actually went DOWN??? What could cause this?
    Mac Pro:
    Before: 17.48 Mbps Download | 1.59 Mbps Upload
    After: 3.32 Mbps Download | 5.37 Mpbs Upload
    MacBook Pro:
    Before: 17.32 Mbps Download | 1.52 Mbps Upload
    After: 49.36 Mbps Download | 5.58 Mbps Upload

    As far as your configuration goes, I do not see anything strongly out of whack. You may want to set IPv6 to link-local only (both here and on your Macs) since it is not yet used for most Home Networks (but may be used by Bonjour Service Discovery). It seems unusual that your Airport Admin port (50.27.113.156) is set to a "real" Internet address, and not just a 10.0.xxx.yyy "strictly-local" Address, such as Manually  10.0.1.201 (just beyond the range you are using for your Macs). Do not set anything to 10.0.1.254 -- that is reserved for Broadcast your local network.
    The way it is set now, I can ping that Admin address from across the Internet. It is showing about a 75 msec answer time at this writing, and no lost packets.
    In the 2.4GHz band, there are at most three clear channels at higher speeds (where the channels were originally created for older 11Mbits/sec.) You are showing at least six other Routers in range. Using the 2.4GHz range means you are trying to shout over those other Networks. This will work for a while, but when they are active, you will slow way down.
    Slowing down appears to be what is showing with your updated Option-WiFi screenshot. Your signal strength is still very good, but your Transmit rate had to be reduced from 130 to 104 due to inability to send without errors at highest speeds. You may still be getting errors, which would cause re-transmissions and slow your speed test results, but may not be so slow that the Transmit speed would downshift again (yet).
    As an experiment, try running your Router at 5GHz n-mode only. Use it for a while that way. Maybe even run the speed Test. Then capture that Option-Wi-Fi data again and post it here. I would expect it to show a consistent higher speed (like 300), and not give you other problems. But if it cannot attain a higher speed, that may indicate a Hardware Problem.
    I do not understand why your Mac does not move to the 5GHz band automatically.

  • Dropping Wireless Connection & Speed Slowing Down

    Hi,
    Up until a week ago I had two BT lines, I will call them line 1 and line 2.  Line 1 (front room) was used purely for phone calls, and line 2 (middle room) had Broadband activated on it. When it came time to renew the yearly line rental I checked and had it confirmed by BT that the available Broadband speed was faster on line 1, so I decided to cancel line 2, and move my Home Hub 4 into room 1 having arranged to activate Broadband on what in theory should be a line that gives a better speed.
    My current problem is two-fold. Firstly I am not yet getting the line speed that I was expecting. I have spoken to the Technical Help Line, and understand that following the activation of Broadband on the line in Room 1 I should wait 10 days for the available speed to stabalise. Currently I am 7 days on from line activation.
    A few days ago I was getting download speeds around 2.70 Mbps, with upload speeds around 0.38 Mbps. The IP profile for the download speed at that time was set at 2.77 Mbps. The IP profile for the upload speed was set at 0.45 Mbps. Over the past week I have done numerous speed checks and found that the speed did vary, as might be expected, but was generally always around these figures. Because of the line check speeds I was given by BT's own staff I was expecting the available speed to get better, not slow down! I was originally advised to expect line speeds of between 3.5 Mbps - 5.5 Mbps.
    Over the last 24 - 36 hours the speed has slowed down, and a few minutes ago these are the figures I observed:
    Download speed achieved during the test was - 1.3 Mbps
     For your connection, the acceptable range of speeds is 0.8 Mbps-2 Mbps.
     IP Profile for your line is - 1.33 Mbps
    Upload speed achieved during the test was - 0.34Mbps
    Additional Information:
    Upstream Rate IP profile on your line is - 0.45 Mbps
    Line speed then is one issue, but there is another.
    My second, presently very frustrating problem is that even though the Hub 4 is consistently powered, and maintains a steady Blue light showing that Broadband is available, my wireless connection that I receive from the Hub keeps dropping. I should add that the distance from the Hub 4 in Room 1 to where I work with my laptop in Room 2 is only about 15 - 20 feet. I used the old Hub 2 until a few weeks ago, and neither my daughter on her laptop, or myself, had any problems with 'dropping' the wireless signal, whichever room we were in, or even if we used our respective laptops elsewhere in the house. I was convinced enough by the publicity 'blurb' to believe that Hub 4 was more reliable, with fewer drop-outs. So far this has not proven to be the case.
    I know that I need to wait a few days more till the 10 days are up, but would really appreciate some kind soul commenting on the above. I have looked at the Logs, but without knowing what segment would be helpful in aiding a diagnosis of my two issues I didn't want to provide unnecessary information. So if any particular element of the Logs would be useful, please let me know.
    Yours in hope,
    Alan
    Solved!
    Go to Solution.

    Hello again,
    With your help I was able to locate the place to change the channel manually, which I did, thanks for that. It only resulted in a marginal improvement, but any improvement is good I guess.
    HH4 has now been showing a steady connection for three + days, so, as requested, here are the noise stats:
    16:14:16, 26 Nov.    ( 76.170000) DSL noise margin: 22.00 dB upstream, 12.20 dB downstream
    16:14:16, 26 Nov.    ( 76.080000) DSL line rate: 448 Kbps upstream, 3104 Kbps downstream
    I have done several speed tests and they all show broadly similar results, namely that my download speed is usually around 2.67, whereas my IP Profile is set at 2.74.
    I don't know whether this is worth mentioning but I only have an old style BT socket on my line, not one that has a test socket inside, so I can't do any of the tests using that facility.
    Although my broadband connection has been stable and active on the HH4, as far as using wireless to connect my laptop in another room I do still get several dropped connections each day.
    Even when I am connected to my HH4 by wireless, and my signal, as now, is only in the four bar bracket, by looking at the other Networks that are active in my street/area I can see, although it is rightly secured, that someone is using a HH3 and the signal on that is powerful enough to register a full five bar (excellent) strength on my laptop. How near or far away from me that user with a HH3 is I do not know, the point is however I can receive a more powerful and consistent signal from their Hub than my own. I must confess to being puzzled by that. What could be the reason?
    Is there any further help or guidance that you can give that might assist in raising my IP profile, in the hope that my speed might increase? Or do you have any further suggestions as to how I might reduce the noise on my line to a more acceptable amount, so that my signal might give me a better wireless connection?
    Thanks again for any advice or help you are able to give.
    Regards,
    Alan

  • Why are Tiger Connection Speeds Slower than Jaguar and PCs?

    There is no doubt in my mind that Tiger (10.4.5 and 10.4.6 in my experience) connects to the Internet at speeds which are 20-25% slower than the speeds attained in Jaguar (I have no personal experience with Panther) and by PCs.
    I have tested speeds at testmy.net and speakeasy.net on my Mac Mini running 10.4.6 (and before that 10.4.5), my iBook running 10.2.8, and my Dell Dimension 8250 running Windows XP. The iBook and Dell consistently measure 3400-3550 Kbps on a wireless connection to a LinkSys router and cable modem, whereas the Mini measures 2600-2900 Kbps (and sometimes much slower.) All three computers are next to one another, connecting to the same router and cable modem.
    These results are very consistent over dozens of trials over a long period of time. They are not an aberration.
    Any explanations or fixes? I have turned off IPv6, manually entered DNS servers in TCP/IP, tweaked settings with RMAC and Cocktail, but none of it has made a lasting difference. Interestingly, I have on a very few occasions found a speedup to PC and Jaguar levels on the first speed test only, after some of the listed adjustments.
    Bob N.
    Mac Mini 1.5 GHz; iBook 900 mHz; iPod 20 GB   Mac OS X (10.4.5)  

    Im marking this as answered even though it isn't, just to get it off the list of unresolved questions, where it has gathered dust for many months.

  • Connection speed slowed since installing itunes7

    my connetion speed has dropped from 128Mbps to 10 Mbps since installing itunes7. anyone else experiencing the same? i`m running windows xp on a pretty much brand new toshiba satellite.

    Today I have had a visit from an engineer and my faulty extension(?) has been replaced as has the original BT master socket with a BT ADSL v1.0 filter.
    The interesting thing for me was that the engineer asked if we had Sky HD which I must admit I did not think could be an issue but when disconnected the slow speed I had been experiencing increased to Downstream 2.688Mbps, Upstream 448Kbps.  So obviously Sky is taking some bandwidth?
    After the new extension and ADSL faceplate the downstream/upstream speed have remained the same (as when Sky disconnected).  I am hoping that speeds will improve over the next few days but was informed that it is possible due to previous issues that the speed has been throttled which may mean it will not recover without me contacting BT directly.  If this is the case how long should I wait?
    These are my new ADSL stats:
    ADSL Line Status
    Connection Information
    Line state:
    Connected
    Connection time:
    0 days, 02:53:30
    Downstream:
    2.688 Mbps
    Upstream:
    448 Kbps
    ADSL Settings
    VPI/VCI:
    0/38
    Type:
    PPPoA
    Modulation:
    G.992.1 Annex A
    Latency type:
    Interleaved
    Noise margin (Down/Up):
    15.2 dB / 19.0 dB
    Line attenuation (Down/Up):
    50.9 dB / 31.5 dB
    Output power (Down/Up):
    18.5 dBm / 12.3 dBm
    FEC Events (Down/Up):
    1115 / 0
    CRC Events (Down/Up):
    6 / 0
    Loss of Framing (Local/Remote):
    0 / 0
    Loss of Signal (Local/Remote):
    0 / 0
    Loss of Power (Local/Remote):
    0 / 0
    HEC Events (Down/Up):
    73 / 0
    Error Seconds (Local/Remote):
    2 / 0

  • WRT160N SLOW CONNECTION SPEED

    I have slow connect speed when using the WRT160N. I have tried every thing, done dianogstics on connection, router, modem, thru three diffeant software, norton, windows, system machinics. when ising the router some days the speed is amost like using dial up
    I use XP, on both a laptop desk top, up to date drivers, both cna use wifi or direct connection by cat 5e, 3 m of ram, a wimax internet server,,,,, (company called Bridge Maxx)
    But when I stop using the router and connect directly to the modem no problem works fine,,,,, not sure what to do........ just need my wifi back,,,,so i cna work,

    Whats the Version number of your Router, If you have having version2 router, then there is an knows issue with Version2 Router. Downgrading to Build 8 is generally accepted to correct these issues, however Linksys have indicated to several people they do not have the build 8 firmware to give to end users.
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    You can find it at http://audipages.com/router/
    Follow the dowload and firmware downgrade instructions on that page.
    Once you upgrade the firmware of your router, you need to Reset your Router and Re-Configure all the settings on it back again. Once you do the settings on your router i think this should solve your problem. 

  • Has anybody solved the slow wireless connections speeds of the new Imacs

    I have just purchased the new imac...and was made aware of the disastrous connections speeds using wireless.. Does anybody know if apple have come up with a solution...or are they just not dealing with the problem?

    I am a brand new Mac user with a new 24 inch iMac purchase. Macs are supposed to be hassle free right? Right. No question I was about ready to throw it out the window because the wireless connection to the expensive AP base station was, oh, 100x slower than my Dell laptop side by side about 1 foot away. Nothing changed even if I connected directly to the AP using an ethernet cable. My connection consists of an Actiontec DSL gateway connected directly to my AP extreme that allows wireless to my PC laptop as well as my new iMac. Hours and hours go by until I find this help link on Mac Orchard Forums:
    +" Re: My New Intel Based iMac is SLOW+
    +« Reply #7 on: May 18th, 2007, 4:57am » Quote Quote Modify Modify+
    +WOW!! everyone else with this problem read this! i was having these same huge speed problems using the internet with my new 24" dual core intel imac with 2 gigs of ram and found a posting on another site's thread that fixed it completely.+
    +"Try setting your DNS servers to OpenDNS (208.67.222.222 and 208.67.220.220) and see if that helps at all. Maybe the ISP's changes increased the load on their DNS servers."+
    +my guess is that somehow these DNS servers work the way tiger likes them to while others dont, i have no clue other than to say it works!!+
    +heres a site i found that helped me understand how to change the settings:+
    +http://portforward.com/networking/static-Mac10.4.htm "+
    With the new Leopard installed I went to the "portforward" link first and followed the instructions exactly to set a static IP address, then I reset my DNS servers with the exact numbers you see above - IT WORKED IMMEDIATELY!!!!! I didn't have to call my ISP or anything, it just worked exactly as it should with both Safari and Firefox. Now this Mac is flying and I will not be tossing it back to Jobs.
    Good Luck!

  • Help : very slow connection speed with AEBS and iMac

    I connect to the internet using my newly purchased AEBS. I have a MacBook and an 24" iMac ( purchased in Nov 2007). My iMac showed very slow connecting speed of <1 MB/s download; with my MacBook placed just 1 foot from my iMac, the MacBook showed an amazing download speed of 20MB/s. If i connect the iMac to the AEBS using ethernet cable, it can get a very high speed.
    So, where is the problem??
    I am new to wireless, please help. I use iMac more than my MacBook at home.
    Actually, i did not touch the any of the advance setting of the AEBS.

    You know, I am experiencing the same problem. My wife's PC and iPhone are blazing fast, but my MacBook is accessing the internet at about dial-up speeds. Very frustrating and I haven't yet found the culprit.
    Anyone???

  • Slow dial-up connect speeds

    I need help! I've had my mini for 9 months. It's used primarily for internet/e-mail and occasionally some iphoto and itunes fun. I live really rural so dial-up internet access is my only connection option (No DSL/cable available). I have used the same ISP since my PC days (before the mini). The mini used to connect around 36K, but modem connection speeds have degraded overtime to 14K or less (have seen 9600!). I regularly run the maintenance scripts and occasionally repair permissions...I use YASU. Also reset the PMU. My mini went to Apple repair once for slow connect speeds but I was told it is my ISP.
    Yesterday, I pulled the old Windows PC out and powered it up and using the same phone/modem cable from the mini was able to consistently connect to my ISP at 42-44K!! Wow! High speed!! Replugged the same modem cable into the mini and was able to connect at a blazing speed of 14.4K! There obviously is something wrong with my mini or its modem. Any suggestions or is it time to retire the mini and go back to the big, noisy, awkward Windows PC?...after all web surfing and e-mail is my primary computer usage.
    mini 1.25Ghz/512MB/40GB/combo   Mac OS X (10.4.2)  

    I just bought a new 12" Powerbook and it will not connect to my local dial up ISP any faster than 28k. I've had the same ISP for over ten years. I've had the same phone line in my same apartment for over ten years. The G3 iBook I just sold connected at 56k almost every time. The G4 iMac I have at home connects at 56k almost every time. The Performa 6400 I used to have connected at 56k almost every time. The G4 Sawtooth I have in my music studio a couple of blocks away using a different phone line connects at 56k almost every time. Same ISP for over ten years, two different phone lines that work fine with four other Macs, the only Mac I've had that won't connect at 56k is my brand new Powerbook. It won't connect at 56k using OS 10.3.9 or 10.4 or 10.4.4. I tested the connection with CNET's online modem bandwidth test page and the Powerbook modem was connecting at about 26k.
    so I took my PowerBook to the Apple store in San Francisco, they sent it to be repaired and when it came back said they replaced the modem, but it still won't connect at 56k when all my other Macs will.
    so I took my PowerBook back to the Apple store in San Francisco, and they connected it to a phone line and got a 31k connection and told me, Well the modem connects, so as far as we're concerned it works, and the 56k is only the maximum theoretical connection speed and Apple does not guarantee you will actually get that modem baud rate, so we are not going to do anything else about it. I told them that there is nothing theoretical about all my other Macs connecting to the same ISP at higher speeds than the PowerBook and that Apple should be able to test the PowerBook to determine if their own tech guys can get a 56k connection with my PowerBook. The Apple store guy called his manager, who refused to do any more work on the computer.
    iMac, Sawtooth, Powerbook   Mac OS X (10.3.9)  

  • Internet speed slows down when connected via airport express

    Internet speed slows down when connecting via airport express. When connecting directly via the timecapsulethe internet speed is ok, when connecting via the airport express the speed slows down.What can I do to change that? Any suggestions?

    Turn off the AirPort Express completely as a test, and move your computer very close to the location of the Express.
    As I said before, the Express can only extend the bandwidth (speed) that it receives from the Time Capsule, so the speed that you see there with the Express powered off will be the fastest speed of which the Express is capable.
    The Express will make the signal go further when it extends....but it will not make the signal go faster.
    A good location for a device that extends wirelessly is a point that is about half the distance from the Time Capsule and the general area that needs more wireless coverage.
    If you locate the AirPort Express too far from the Time Capsule or there are more than a couple of walls in the signal path, the signal will be very slow by the time that it reaches the Express....and the Express simply extends a signal that has already slowed down significantly.
    If you already have the Express located about half the distance between the Time Capsule and general area that needs more wireless coverage, how many walls, ceilings or other obstructions are there in the signal path between the Time Capsule, the AirPort Express and the area that needs more coverage?
    Often, due to obstructions, it is just not possible to achieve good performance when you try to extend a network wirelessly. The solution is connect the AirPort Express to the Time Capsule using a wired Ethernet connection.
    There is virtually no signal loss with this type of connection, so the Express can be located exactly where it is needed and it will produce a much faster wireless signal in this type of setup.

  • Slow connection speed imac but not macbook

    Slow connection speed on my imac 2.4ghz intel core 2 duo running 10.6.8, I get download of 15mbs and upload of 9mbs but on my macbook pro 2.8ghz intel core i7 on the same desk I am getting 33mbs and 10mbs!
    Can anyone help me out on this, thanks in advance.

    The two key numbers here are: 1) Transmit Rate: 59 which is the current maximum bandwidth of the wireless connection in Mbps, and 2) The MCS Index: 6 which indicates that the iMac's connection to the BT Home Hub wireless is only using a single spatial steam. Forget the techo mumbo jumbo, your iMac is much more capable than that.
    You should expect a Transmit rate closer to 130 Mbps on the 2.4 GHz radio. At least this explains the poorer performance of the iMac. I would venture to say that if you temporarily connected the iMac to the BT using an Ethernet connection the iMac would equal or exceed the MacBook Pro's bandwidth performance.
    Has this always been an issue or something that has just recently started happening?

  • Progressively Slower Connection Speed

    Hi,
    I'm having some difficulties with my BT Broadband speed. The connection is getting progressively slower. Each time the router recycles I get a lower connection speed.
    According to the BT Wholesale checker I should be able to get 6.5-8Mbps but I've never seen > 3Mbps and am currently <2Mbps.
    ADSL Max
    Up to 7.5
    6.5 to 8
    Available
    Fixed Rate
    2
    Available
    I tried resetting the router tonight and got the following in my event log entries:
    23:35:07, 15 Jul.
    ( 58.190000) ETHoA is up -​ VPI: 0, VCI:35
    23:35:07, 15 Jul.
    ( 58.190000) DSL is up
    23:35:06, 15 Jul.
    ( 56.710000) DSL noise margin: 9.00 dB upstream, 9.00 dB downstream
    23:35:05, 15 Jul.
    ( 56.640000) DSL line rate: 448 Kbps upstream, 1984 Kbps downstream
    23:34:43, 15 Jul.
    ( 34.020000) WAN Auto-​sensing running.
    The helpdesk details are:
    1. Product name:
    BT Home Hub
    2. Serial number:
    +068340+NQ33251108
    3. Firmware version:
    Software version 4.7.5.1.83.8.130.1.17 (Type A) Last updated 03/05/14
    4. Board version:
    BT Hub 4A
    5. ADSL uptime:
    0 days, 00:11:03
    6. Bandwidth:
    448 / 1984
    7. Data sent/received:
    2.0 MB / 8.0 MB
    8. Broadband username:
    [email protected]
    9. BT FON:
    Yes
    10. 2.4 GHz Wireless network/SSID:
    BTHub4-7QH7
    11. 2.4 GHz Wireless connections:
    Enabled (802.11 b/g) 20 MHz, WPS enabled
    12. 2.4 GHz Wireless security:
    WPA and WPA2
    13. 2.4 GHz Wireless channel:
    Automatic / 1
    14. 5 GHz Wireless network/SSID:
    BTHub4-7QH7
    15. 5 GHz Wireless connections:
    Disabled
    16. 5 GHz Wireless security:
    WPA2
    17. 5 GHz Wireless channel:
    Automatic / 0
    18. Firewall:
    Default
    19. MAC Address:
    cc:33:bb:d0:29:00
    20. VPI/VCI:
    0 / 38
    21. Modulation:
    G.992.1 Annex A
    22. Latency type:
    Interleaved
    23. Software variant:
    24. Boot loader:
    I have a shielded cable connecting the router to the line-box and the line-box has an ADSL filter faceplate which ought to mean I don't need filters anywhere in the house. This was fitted by a BT engineer.
    I would be grateful if anybody could make a recommendation as I've tried everything I can think of.
    Thanks in advance,
    Simon Burrows
    Solved!
    Go to Solution.

    Hi,
    I've left the router up for several days now with no decrease in connection speed:
    5. ADSL uptime:
    7 days, 00:01:00
    6. Bandwidth:
    448 / 1984
    I've tried the quiet-line test with a corded phone and get a constant buzz.
    The next thing I've tried is to disconnect the ADSL filter faceplate from the line-box and have plugged a different ADSL filter directly into the line-box. The quiet-line test still yields a buzz, albeit slightly quieter.
    Now that I've reset the router (turned it off whilst swapping cables around), I now have the following (with a different ADSL filter):
    00:00:08, 23 Jul.
    ( 65.750000) DSL noise margin: 10.00 dB upstream, 9.00 dB downstream
    00:00:08, 23 Jul.
    ( 65.680000) DSL line rate: 448 Kbps upstream, 1952 Kbps downstream
    5. ADSL uptime:
    0 days, 00:02:53
    6. Bandwidth:
    448 / 1952

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