PH-IR is another IR Receiver. It is used to receive infrared commands from remote controls and relay the signals, via the Distribution Block, to your Audio Visual Entertainment devices that are hidden in an entertainment area or cabinet. Friendly with Plasma screens and fluorescent lamps (CFL) Designed to be placed in a pre-drilled hole in the wall or cabinet Works with almost all brands of IR remote controls Power supply via the Distribution Block Technical Details Receiving frequencies: 34 to 60 KHz, RC-MM codes Receiving distance: Up to 8 meters (remote control dependent) Connector: 3.5mm stereo mini plug Cord length: 1.5 meters Size: 50mm tube length, 11.75mm tube diameter, 15.7mm head diameter Weight: 51 gram Compatible with IR Extenders HT1Y4 JYC-Z306