Now that I've changed from Vanguard to AHP and everything is working I'm having trouble getting the 4 cams to stay working. I think its a distance thing since the two that goes blank and looses connection are about 100 ft. Which should I move closer(which would be outside) to get better reception? I'm not sure what everything is doing anyway. I have the TM751, CM19A, and the VR36A in the window. Does the 751 switch cams, the CM19A transmit, and the VR36A receive video?? I also have the CM15A on the floor, which I guess is for the modules inside? I could run the VR36A off a 50ft rca cable to get a more direct line to the cams? Or would it be better to just find a "booster" for the signal?