... . The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc ... & 1*RF LOOP ASI INn RF COFDM DVB-T out ASI outn LCN support (Logical Channel Number)n ... NTSC)AudioEncoderMPEG1 Layer IIInputUnbalanced stereo analog audio*4Sample rate48KHzBit rate128kbpsDVB-T Modulation StandardEN300744FFT mode2K, 8KBandwidth6M, 7M, 8MConstellationQPSK, 16QAM, ...