It need the camera connected using poe active coax adapters.<br><br> Does not support NVR wireless cameras<br><br> RJ45- 4-wired 1236 Network Cable Number, this Extender Ethernet Need to be used with POE separator with 4-wired 1236 or Camera with POE function, Otherwise it will not work.<br> It is recommended to use no more than 3 pairs for a set of equipment<br><br> Applied devices: CCTV cameras, monitors, DVR, switchers, IP encoders, etc<br> Video Format: PAL, NTSC, SECAM<br> Standard: IEEE802.3 10Base-T <br> Bandwidth Speed : 10/100Mbps<br> Impedance: 50Ω to dual 100Ω or75Ω to dual 100Ω or 93Ω to dual 100Ω<br> Max Distance: 200m/720ft<br> Crosstalk: > 30dB<br> Connector : Female /Male BNC, RJ45 jack<br> Fit Cable: Coax Cable (RG59)<br> Power: No external power required<br> Housing Material: ABS engineering plastic<br> Dimensions(L*W*H ): 40*19.5*18.5mm<br> Net Weight: 45g<br>Please pay attention to check the spec description before buying<br>