... signal and image shows test, radio, television, monitoring function.Using TFT LCD display image,LED backlighting with low power consumption.Built-in large ... need an external power supply, working time is about 3-4 hours, AV output and input function. Satellite images and ... 18V,max400mA LNB Switch control:22KHzDiSEqC:1.2 edition Threshold:4.1dB;Demodulation chip:QPSK(SCPC and MCPC compatible)Symbol rate ...