X-10 Powerhouse Transceiver Module RR501 - UNTESTED

Vintage X-10 PowerHouse Transceiver Module RR501 RF Controlled System

X-10 Transceiver Module Powerhouse X10 RF RR501

X10 PowerHouse Transceiver RR501 Radio Controlled System With Antenna Tested

X10 Wireless Remote System RR501 + KC674

X-10 POWERHOUSE TM751 Transceiver Module X10 Protocol Smart Home Compatible

POWERHOUSE X10 Mini Transceiver Model TM751-C NOS