2CH 27MHZ Remote Transmitter & Receiver Board with Antenna for DIY RC Car Robot F20393

2CH 27MHZ Remote Transmitter & Receiver Board with Antenna for DIY RC Car Robot Item included: 1x 27mhz Transmitter Board 1x 27mhz Receiver Board 2x Antenna Note, The item not include screws, please ready your self. 【Dimensions】: TX Board 2.7 * 4 cm, RX Board 2.5 * 3.6 cm; 【Electronic frequency】: 27MHZ 【Working voltage】: 3v for transmitter board and Receiving board ; [Transmitting panel]: B + connected to the cathode, B-connected negative, ANT then antenna (the antenna wire contact with the ANT on the reverse of the solder, welding can be fixed, you can also use the screw) [Receiving panel]: B + then positive, B-connected negative, L and R, respectively, corresponding to the two poles of the motor, ANT antenna 【product features】: (1) multiple sets of the same frequency remote control device at the same time at the same time will interfere with each other; if you want multiple sets of remote control devices work at the same location, you must use different frequency remot