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Old 08-18-2006, 10:29 PM
Bjorn TOSS Bjorn TOSS is offline
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Join Date: Aug 2006
Posts: 2
Default Legal wifi propagation? (max 20dB)

I have set up a bridge from a SMC hotspot with 17 dBm output power.
Cable and other losses are -3.35 dB and the uinit is transmitting via an omni directional antenna with 6 dBi gain.
The repeater is located 1.1 km which gives a free space loss of -106.421 dB.
I am using a Buffalo Air Station Tubo G modell WHR-HP-G54 set up as a bridge.
This unit picks up the signal via a 24 dBi grid antenna which is connected to the bridge via a 2-way splitter. To the splitter is a second omni directional antenna with 6 dB gain connected to redistribute the signal in the local surroundings.
The receiver sensitivity of the Buffalo is -83 dB.
The nominal output power from the Buffalo is 16dBm for 802.11g that I am using.
When I enter these data in the calculation sheet I get a remaining margin for the link of 15 dB and the comment that the link should work properly, which it does and that the System is legal.

What I am looking for is a confirmation that the system really is legal using the bridge connection.

Can anyone help me with the confirmation?

Thanks in advance

Bjorn
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