NB101 IR Extender Kit consists of a transmitter (up to 4 transmitters) and a Receiver ( up to 4 Receivers). It can achieve more than one place to share IR Execution and change channels of the Device Remotely using Cat5/Cat6 Cable. It adopts cat5/6 transmission scheme and has the advantage of a long transmission range, strong anti-interference. NB101 IR Remote Controller can be used at the receiving end to realize the function of a wireless control of devices from another place. Features Each RJ45 Output port will not interfere with other Low Power Consumption 5V USB power supply IR Transmission via Cat5/Cat6 avoid interference from signals of wireless devices without noise. The remote control signal high sensitivity, compatible exceptionally Strong Technical Details IR receive frequency range: 34 KHz to 60 KHz IR transmit frequencies: 38 KHz & 56 KHz IR receive range: 8 Meter Emitter Range: 100mm–200mm Power: 5VDC, 50mA MAX. IR Receiver: 31(L) × 17(W) × 13(H) mm IR Emitters: 13(L) × 8(W) × 5.5(H) mm Connecting Block: 90(L) × 55(W) × 26(H) mm IR Receiver: 1.5 Meter IR Emitters: 1 Meter USB cable: 1 Meter IR Emitters: 3.5mm mono plug Network cable: RJ45 Power supply: USB B type Receiver Block: 0.070Kg IR Emitters: 0.020Kg Connecting Block: 0.165Kg   **Kit Include Receiver for Just 1 TV, you can add up to 4. Extra receivers can be bought additionally