No 'Interference Robustness', HELP! ...?

Hello,
I've recently been given a MacBook Pro, with OS 10.6. It replaces my prehistoric-yet-lovable iBook G4, which was produced in 2003.
I notice that there is no "Use Interference Robustness" capability in the new OS. (This was in the drop-down menu under the internet 'fan') I could use the old disks that came with my old iBook, and go back to the old operating system on the new computer, but it seems silly to go back to an OS from 2003 just to get internet.
I have read a lot of forum posts, including the following:
http://discussions.apple.com/thread.jspa?threadID=1196815
I am currently working overseas. I've got 4 roommates, and when I try to change channels on the router it screws up their computers. I'll be traveling soon, and I can't lug around an airport to connect to every router I need to connect to. I'll continue to be in densely populated areas, where everyone has got a microave, cordless, router, etc. The new computer 'sees' at least 7 other routers in the apartments around me.
My new MacBook is NOT picking up a signal, not even when it is inches from the router. (To be specific the fan is full: it asks for a router password then briefly connects, then when you try to click on a webpage it simply takes forever to try and connect then eventually times out.) My iBook, using the old operating system, picks up the signal clearly from the other side of the house. (The old laptop has just been sold, so I will have to give it and its disks up soon!)
I know other forum contributors said that the old 'interference robustness' feature was only ever meant to be used with AirPort, but as many other Apple users have confirmed, my old computer never worked without IR, and I never had an AirPort at all.
The router is made by Pirelli (not kidding), but it hardly matters, seeing as I'll be on the go.
Is there any way I can change computer settings to fix my problem?
This oversight on Apple's part seems like the perfect opportunity for a desktop widget or other 3rd-party program, but none seems to exist.
I've been dreaming of a new laptop and OS for years, and while there are some cute features like Photobooth, at first glance 10.6 lags. There are some modifications that I would have expected to see in iTunes as well... but internet is like water or air if you've got to get work done!

I could use the old disks that came with my old iBook, and go back to the old operating system on the new computer…
Good luck with that thought. That's not doable. Your machine won't recognize anything that old. See Don't install old versions and Computer-specific builds for details.
As for the wifi issue, I can't help, since I don't use it, so you'll have to await those gurus to pop in.

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Hello,
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Interference robustness has worked well for a number of people not using Apple Airport base stations (such as myself). As it turns out, I have an Airport Express that my iMac under Leopard will not recognize only 2 feet away. Naturally, under Tiger all is still well.
Moving interference robustness under the advanced settings is a real problem for people without Airport base stations as it is now impossible to get to the settings without recognizing a base station.
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Anyone? Please help.

DROP OUT cure! Make sure "Enable Interference Robustness" is Checked!!!

I found the secret button - and now music plays like there's no tomorrow!
Like - I spent at least three weeks - three different routers trying to get my music to stream without drop-outs - to no avail. Then finally I FOUND THE TRICK. Like duh! Read on.
Here's my set up -
3 Airport Express Boxes fed to three separate amps and speakers around the house
1 Apple TV fed to the home theatre
4 Laptops connect wirelessly to the Netgear
1 NAS drive hardwired to the Netgear with all the iTunes Music on it
All connected to 1 Netgear MIMO-G Router via WPA Security
Man this was killing me - with all these variables I couldn't figure out why my music would play OK for a few minutes, then either drop out every minute or so for a few seconds - or just crash my router requiring me to kill its power for 2 seconds. This was killing me. I was about to give up on Apple and get a Roku.
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THERE IS THIS LITTLE TINY CHECK BOX IN THE AIRPORT EXPRESS ADMIN UTILITY -
ON THE AIRPORT TAB - UNDER THE BOX THAT SAYS WIRELESS SECURITY THERE IS A TINY BOX THAT SAYS:
"Enable Interference Robustness"
Click that - and you are in like slim.
I found so many calls for help on this board for drop-outs that I had to just write this post. Good luck to all!
G

Ok, so all i got to say to this setup is wow you are a crazy man lol. First off storing your itunes library on a drive on the network is going to add more latency to your network as each time you try playing a song its having to go from your computer to the router, to the NAS drive, back to the router and then to the airport. However one thing i didnt see or maybe you may have tried i dont know is before using the enable interference robustness option did you try changing the wireless channel on the netgear router? Could just be something is interfering with the current wireless channel that its on. After tinkering with Interference Robustness myself ive found it to be like a Mass Blanket of wireless transmission. Think of you and another person being in a room with a crowd of people and your yelling back info back and forth. Sure you can hear and talk back to the person but your range to hear and speak is greatly reduced meaning if you wanna add any other wireless products that are outside that reduced range your kinda out of luck.

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http://discussions.apple.com/thread.jspa?threadID=831140&start=30&tstart=0

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Interference Robustness

Hello.
The wireless phone in my house gets a lot of interference when standing around the area where the Airport Extreme is.
Is turning on the "Interference Robustness" a way of avoiding this?
My phone is a 5.8Ghz and I use the Airport in "802.11n (802.11b/g compatible)".
Also, does changing the Multicast Rate or the channel affects signal strength, range and interference?
Thank you.

Is turning on the "Interference Robustness" a way of avoiding this?
No. It raises the signal detection level used by the AirPort Extreme base station (AEBS) and would affect the sensitivity (range) of the AEBS. But it would not affect your phone's performance.
Also, does changing the Multicast Rate or the channel affects signal strength, range and interference?
Yes. Interference as seen by the AEBS. Not interference as seen by other devices.
My phone is a 5.8Ghz and I use the Airport in "802.11n (802.11b/g compatible)".
Are you certain that your phone operates at 5.8 GHz? That would be odd. The normal frequencies for phones are 900 MHz, 2.4 GHz, and 5 GHz. Some phones advertised as 5 GHz also use 2.4 GHz.
Is your AEBS operating at 2.4 GHz or 5 GHz?

Can't Enable interference robustness

in Sytem Preferences-->Network-->Airport-->Options...
The "Enable interference robustness" check box is greyed out and can not be selected. Also, the option "Remember any network this computer has joined" is checked, but is also greyed out. I also do not have the option "Enable interference robustness" in the Airport status menu bar at all.
All the options are available and working on my wifes G4 ibook connected to the same base station.
The option "Enable interference robustness" is checked in the base station configuration portion of the Airport Admin Utility.
I've repaired permissions but the option is still greyed out.
Any ideas?
G4 MDD Mac OS X (10.4.8)

Try the following, in order, until resolved:
1. Create a New User Account
- Create a new user account.
-- System Preferences > Accounts
-- Click "+" to add a new account
- Log off, then log back on with the new user account.
- Try connecting with the AirPort.
2. Move System Configuration Files
(Note: You will have to reestablish your network connections settings.)
- Go to /Library/Preferences
- Move the SystemConfiguration folder and com.apple.networkConfig.plist file to the desktop.
- Restart your Mac. (Note: OS X will rebuild the files that are now sitting on your desktop. If this doesn't resolve the issue, you can move the folder & .plist file back to it's original location.)

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'Use Interference Robustness' option not showing in AirPort menulet

On my 1.67MHz AlBook I get this option, second from the bottom on the AirPort menulet. Not so on my TiBook. Both running 10.4.5. What gives?

Got you, many thanks, iFelix!
What I still don't understand is: does it affect the
Base Station's signal? or just the respective
computer's card?
From the Airport menulet, just the card.
You need to use the Airport Admin Utility (wireless options) to enable it on the base station.
And if it boosts the signal, how
come it reduces the range?
You can't boost the total power that a wireless card or base station uses.
Therefore if you increase the signal you have to sacrifice range.
If the total power was say 240, you could have strength 3, range 80 or strength 6 range 40.
iFelix

Help with set up please

I have just bought a second airport xtreme card for my G5 powermac and now have this and the G5 imac wirelessly connected via a belkin F5D7630 router. Strangley I have noticed that the signal strength is weaker on my powermac compared with the Imac. I have checked the installation of the card and ensured that I have the external arial connected to the back on the computer. As I am typing this I have noticed that I have 2 bars showing on the menubar and the imac has 5 bars. These machines are in different rooms on the same floor and the router is in another room on the same floor.
I called Belkin and they said that I should change my settings to 10 half duplex. Apparently the airpport cards are set for 10 full duplex. Well, i don't know where I would make this change and whether the change is actually needed.
Does the signal level impact on the connection speed?
WHat does 'interface robustness' mean and should I have it ticked in the menu?
What is this 10 half duplex stuff about and how do I change it?
Please can someone help me on this one - It is most frustrating

"10 half duplex" applies to cabled ethernet network connections - not wireless network connections. This suggestion isn't of any relevance to your problem.
"Interference robustness" helps alleviate the effects of some types of radiofrequency interference. Don't enable this feature unless interference is known to be an issue. Are the any other wireless networks in range of yours (listed in the Mac's Airport menu)?
Double check the connection of the internal Airport antenna cable to the Airport Extreme card on the G5. Make sure the connector is FULLY seated, which can take some force to do properly.

How can I mitigate interference?

I really want to use the wireless capability of my iMac, and now finally that the connectivity problems created by 10.4.8 are fixed I can concentrate on the real issues.
There are up to 9 networks in range of my iMac.
I've used iStumbler to look at these and amazingly, six broadcast on channel 11, one on channel 1, one on channel 3 and then there's me broadcasting on channel 6.
How do I mitigate / alleviate wireless interence?
Last night the performance was dreadful; I stuck an ethernet cable in the back from the router and then the iMac was flying along so obviously the deteoration in performance was due to interference. I had at this point, interference robustness turned on.
Is it just a fact that living in a high density area with a number of wireless networks I'm simply never going to get decent wireless performance, or are there other avenues I can explore to help me?
Any advice gratefully received

By the way, as I understand it, enabling interference
robustness helps against interference, but decreases
your range, so it might be necessary to relocate a
bit closer to the router, but only if you notice a
weakened signal.
Thank you for your reply my Highway, much appreciated.
I am pretty close to the router as it is, I moved it from a central location closer to my mac as I had that much trouble with wireless I needed to be able to plug in via ethernet when things got rocky.
I thought it was interference but I have a work Dell laptop running WXP SP2 and that connects and works brilliantly with my router for internet and is quite consistent and generally doesn't show performance issues; whereas the Mac has inconsistent performance and almost constant connection issues. I'm changing router (and ISP!) anyway and have posted a different question on that.
On a tangent my Highway, I notice that you use one of the 68 series HP wireless printers. I have some questions I'd to ask you specifically about the printer. Could you contact me privately by email if you don't mind me asking some questions about your setup??? I've changed my profile to reveal my email address. Thanks.
Luke

Airport ---Is it strong enouth

Ok, so basically my G/F just got a new iBook. It has the same wireless card as mine, speciffically the Airport Extreme.
While sitting in the exact same location, she appears to get a stronger connection to our wireless network then mine, and also she can see another network on her airport that I can not. I have to move closer to the signal to see it.
What also confirms my possible problem, is that at school their is a WiFi network that is very low, but I can see it (sometimes) in the location that I am in. My buddy who is using a Gateway laptop, can get online using his computer going onto that network, but mine on the other hand, fluctuates so much. I see 3 bars, then none, followed by my airport changingn between 1 and 0.
So im trying to figure out what gives. Is it just that the Powerbooks have a lower recieving strength on the airport cards due to where the recievers are placed, or could I have a bad card?
But what leads me to thinking that my card is fine, is that it still works, just not to the extent that I would like it too.
So getting to my question(s), is their a way to eextend the range that my airport card is recieving? Is their a reset on the card that I can try to possibly increase my range? The airport card is covered by applecare right?
Any other help would be greatly appreciated.
-Tim
1.25 15in G4 Al Powerbook, 80GB HD, 5400rpm's Mac OS X (10.4.4) 3G 40GB iPod, Logitech MX900, Canon Powershot SD300

This is a long-standing problem with the PowerBook. It has to do with the metal casing (where your girlfriend's and your buddy's machines are encased in plastic).
Open AirPort Admin Utility and go through all of your settings, especially the Channel setting. See if enabling or disabling Interference Robustness helps. I wouldn't be too concerned about how many bars you see as this has as much to do with data transfer levels as it does with reception....

No 'Interference Robustness', HELP! ...?

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