Adopt differential signal transmission with excellent anti-jamming ability Save project wire expenses, each a pair of twisted pair wire transmits one channel of video signal common -5 unshielded twisted pair wire can simultaneously transmit four channels of video signal Full-motion CCTV video at distances up to 330m when used with any passive UTP video transceiver. Up to 1500m with any active UTP video receiver No power required. Built-in transient suppression protection. Frequency response: DC-8MHZ CMRR (Common Mode Rejection Ratio): 60DB impedance: BNC: 75 ohms; RJ45:100 ohms Working temperature: -10 - 70 Storage temperature: -30 - 70 Applicable to NTSC, PAL, SECAM and CCIR systems Note: The transceiver is not waterproof set,so keeping transceiver wet environment will be prefer; Suggest to use the transceiver indoors.When installing the transceiver in outdoor,please install it in a waterproof place. Style: 8-way with tail wire Material:Aluminum plastic+copper colour:Silver + Black Package Contents: 1 * Passive Transmitter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.