1.4 audio/video input, one RF output from 45--860MHz 2.High efficiency power supply. Features1.4 audio/video input, one RF output from 45--860MHz2. Intermediate frequency, twice conversion frequency and with saw filter, low side-band interfere.3. MCU technique is applied to audio intermediate frequency, video high frequency process and RFlocal oscillator, with high stability and accuracy. 4. ...