... to configuration or any adjusting during the instalation, user friendly design; Based on self copyright IC; No interference between analog in ... indication; Self-adapt in PAL, NTSC, SECAM standards; ASIC based design; transmit distance: up to 100KM Power supply:220v,-48v,+24 ... ,+24V+12,+5V optional power 5W (single terminal) Digital Video Transmitter and Receiver