Use coaxial lines to transmiss the real time digital signals, transmission distance maximum up to 220m. The traditional coaxial line analog camera system is upgraded to the network HD camera, both of which can be replaced directly. Coax Cable to Ethernet Adapter,1Pair 10/100Mbps 1CH Passive... Fast transmission up to 10 100Mbps, BNC female to RJ45 male, RF coaxial connector coupling adapter, low latency, IP extender over coaxial cable, better effect. Built-in surge protection, safety in use Specifications:Video: PAL, NTSC, SECAMStandard: IEEE802., 3 10base-TSpeed: 10/100MbpsLongest Distance: 220MCable: Coax Cable (RG59)Working Temperature: -20 ℃ to +70 ℃Storage Temperature: -40 ℃ to +150 ℃Humidity: (non-condensing) 0-95 PercentSize: 2., 0*6., 7*1., 8cm/0., 8*2., 6*0., 7in (Cable Excluded)Pacakge Weight: 49g/1., 7ozPackage List:1 * Pair Passive IP Network Coaxial Transmitter Passive device, no power required. MoCA Network Adapter: MoCA vs Coax to Ethernet Adapter Explained MoCA Adapter Ethernet Over Coax Ethernet Over Coax Adapter Passive IP Networking Coaxial Transmitter Moca Ethernet To Coax Adapter