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kleptophobiac · 08-11-2004

If you go the 1/4 watt WRT54G way, I'd suggest to mount some heatsinks on the amplifier chips in them, just as a precaution.

You'll want to use an external antenna on both ends *for sure* to get that kind of range.

On flat ground, with that much power, and a relatively weak omni on each end (<=6dbi) I have achieved about one mile. If you have a directional antenna on the base station side and can get someone to aim it for you, I'm sure you'd get a very reliable link at that range. The only thing I'd worry about is a steep grade screwing up your polarization, but with somebody aiming for you that problem would be eliminated.

EDIT:
With the hacked firmware you can set one to be a normal AP (set to b-only) and the other as an AP client. Tell it the MAC address of the regular AP, along with channel and ssid, and all should be well.

I would put the unit acting as AP in the vehicle, and the client into a tech's hands. You'll be able to monitor signal strength far more easily this way.

08-11-2004	#7 (permalink)
kleptophobiac Registered Member Join Date: Sep 2002 Posts: 310	If you go the 1/4 watt WRT54G way, I'd suggest to mount some heatsinks on the amplifier chips in them, just as a precaution. You'll want to use an external antenna on both ends for sure to get that kind of range. On flat ground, with that much power, and a relatively weak omni on each end (<=6dbi) I have achieved about one mile. If you have a directional antenna on the base station side and can get someone to aim it for you, I'm sure you'd get a very reliable link at that range. The only thing I'd worry about is a steep grade screwing up your polarization, but with somebody aiming for you that problem would be eliminated. EDIT: With the hacked firmware you can set one to be a normal AP (set to b-only) and the other as an AP client. Tell it the MAC address of the regular AP, along with channel and ssid, and all should be well. I would put the unit acting as AP in the vehicle, and the client into a tech's hands. You'll be able to monitor signal strength far more easily this way.