... camera of choiceTransmitter -TX321FPV wireless transmitter is working in 2370-2510MHz ISM band of the FM audio and video transmitter module. ... chip integrates VCO, PLL, broadband FM video demodulator, FM audio demodulation, small size, low power consumption, the module features ... of this module simply connect the power, single / dual audio cable, video cable, connect the antenna can receive music, ...