Converts the data between fiber (optical signal) and copper (electric signal). Extends fiber distance up to 20 km. The 802.3af PoE output makes remote camera deployment easier and more convenient. WDM (Wave Division Multiplexing) technology enables to transmit and receive data over one single fiber strand instead of two. Wide operating temperature (0 50 ?) with reliability. Auto-negotiation of Half-Duplex/Full-Duplex transfer mode. This product ships in approximately 1 days