MINI ALOG CCTV VID RECV BNC TO 1310NM SM ST 10KM Transition Networks�s analog miniature video media receiver converts the optical signal back to an analog composite video signal. All conversion is performed in real time. Automatic gain control installed on both Transmitter and Receiver maintains desired quality of video�s contrast and brightness for extended distances. No field adjustments are necessary. Wide input range power supply allows for multiple choices of power source including camera power supply.