... receivers with 1, 2, 3, 4, 6, 8, 10, 12, 15 channelsIntroduction of pin: PinFunctionD0data pinD1data pinD2data pinD3data pinVCCpositive power supplyGNDnegative ... power supplyANTantenna DC3~12V 15~45mA 315/433 MHz RF Wireless Transmitter Module: TB-02 ...