Here is the scenario. I have several office buildings in a fairly rural environment with little interference connected using WAP54G's as follows: Main Office has WAP54G in Access Point mode with external 19dBi directional grid antenna pointing to WAP54G in Repeater mode with 21dBi omni antenna at the top of a tower. Three other locations using WAP54G in Access Point Client mode with 19dBi external directional grid antennas connect to the WAP54G in repeater mode. Everything cabled using LMR400 coax. Encrytion used is 128-bit WEP. This scenario was working OK until recently (I say OK because connections at two locations occasioally would drop because of low signal strength). Those two locations cannot connect at all now because the output power of the WAP54G in repeater mode deteriorates when temperature drops into the single digits and teens. The WAP54G repeater is in a room with no temperature control. I have added a 1W amplifier to the repeater which increases the signal strength substantially and adequately; however, when the amp is connected to the repeater network traffic thru the repeater slows to a crawl. So here is the question. 1) Any ideas on why the repeater will not funtion properly when the amp is connected? The amplifier works properly on the WAP54G in any mode other than repeater. 2) Any suggestions on equipment to replace the WAP54G repeater? Or if all else fails replace all of the WAP54G's with other equipment.