Wifi between 2 buildings, small range

Hi,
One of my clients needs to interconnect his wifi network between 2 buildings.
The distance is around 30 meters.
It shoud looks like that :
Network RJ45 -> AP -------30m-----> AP (in other building)
I saw the aironet 1600 series could be fine to do it, and u can connect an antenna on it.
But i still wonder if i really need an antenna or not, because i dont really know the range that the 1600 series can provide.
If i really need one, must i take an exterior antenna, and do i need to put one on the AP in the other building ?
I saw the AIR-ANT2566P4W-R, but it's a bit expensive.
Thanks for the help :)

Hello loiccruchade,
I would suggest you to get a site survey done first.
And Aironet 1600 Access Points are Indoor Access Points.
Please find below the Outdoor Access Point Matrix.
Cisco Aironet Outdoor Access Points
1532I
1532E
1552E/EU
1552C/CU
1552I
1552H
1552S
Product image
Type
Internal
External
External antennas
Cable modem
Internal antennas
Hazardous
Sensor networks
Antennas
Internal
Dual band or single band, SW configurable
E: Ext. dual-band
EU: Ext. single band
C: Internal
CU: External, single-band
Internal
External dual-band
External dual-band
CleanAir
Yes
Yes
Yes
Yes
Yes
ClientLink
Yes
Yes
Yes
Yes
Yes
Fiber SPF optics
Yes
Yes
Yes
LAN port / PoE out
(802.3af)
LAN port, no PoE out
LAN port, no PoE out
Yes
Yes
Yes
Cable modem
DOCSIS/EuroDOCIS 3.0
Yes
Haz-Location
(Class 1 Div2/Zone2)
Yes
Yes
Battery backup
Yes
Power options
24-48 VDC PoE
24-48 VDC PoE
AC, DC, PoE
40-90 VAC
Power over cable
AC, DC
AC, DC, PoE
AC, DC
Data rate
300 Mbps
300 Mbps
300 Mbps
300 Mbps
300 Mbps
300 Mbps
300 Mbps
Radio design
Tx-Rx:SS
3x3:3 (2.4 GHz)
2x3:2 (5 GHz)
2x2:2
2x3:2
2x3:2
2x3:2
2x3:2
2x3:2
BandSelect
Yes
Yes
Yes
Yes
Yes
Yes
Yes
VideoStream
Yes/wired
Yes/wired
Yes/wired AP
Yes/wired AP
Yes/wired AP
Yes/wired AP
Yes/wired AP
Rogue AP detection
Yes
Yes
Yes
Yes
Yes
Yes
Yes
FlexConnect
Yes/wired
Yes/wired
Yes/wired AP
Yes/wired AP
Yes/wired AP
Yes/wired AP
Yes/wired AP
Wireless mesh
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Data uplink (Mbps)
10/100/1000
10/100/1000
10/100/1000
10/100/1000
10/100/1000
10/100/1000
10/100/1000
Temperature range °C
-30 to 65
-30 to 65
-40 to 55
-40 to 55
-40 to 55
-40 to 55
-40 to 55
Wi-Fi standards
802.11a/b/g/n
802.11a/b/g/n
802.11a/b/g/n
802.11a/b/g/n
802.11a/b/g/n
802.11a/b/g/n
802.11a/b/g/n
Hope that helps.

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rams

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Attachments:
colormap.zip ‏6 KB

Hi Kevin,
When using a custom color map, the 3D Graph decimates the data to display as much of the data range it can. It doesn't take the axes ranges into account, it just tries to plot the surface over the entire range.
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I need to connect 2 buildings wirelessly to share internet connection.
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Current setup:
Building 1 has the internet connection ADSL with the modem.
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If I connect the white base station to the adsl modem in building 1, and if I buy an aiport express or extreme, put it on the roof of building 2 and connect it to the intranet...
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"Do you think 2 ranges of 50m will make a 100m range?"
Serious faux pas on my part, that. My only excuse is that I wasn't properly awake when I posted that. It doesn't work like that. Yes they would need something else in between and the Linksys repeater might do it. Each base station would still be operating at/beyond the limits of its range in communicating with the Linksys.
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I need an advice for a bridge solution. 2 buildings, 150meters between them. What cisco equipment to use for this case. I'm a beginer in wireless. I really need your help

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http://www.cisco.com/en/US/products/hw/wireless/ps5279/prod_brochure09186a0080230777.html
http://www.cisco.com/en/US/products/ps5861/prod_brochure09186a0080230777.html
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