Converts Radio Frequency signals from X10 PRO wireless controllers such as the PHR04 , PHW04D, and PHR03 to X10 control signals. Now you can easily control lights and appliances from up to 100ft away - even through walls - with this X10 PRO Transceiver Module. This powerful module works with handheld wireless remote controllers such as the X-10 PRO 16-Plus Remote (PHR03) to control its built-in switched outlet and up to15 additional X10 modules via the powerline. You can also control the Transceiver Module by other X10 powerline controllers such as the X-10 PRO Mini Controller (PMC01).