Adopt differential signal transmission with excellent anti-jamming ability Save project wire expenses; each pair of twisted pair wire transmits one channel of video signal; 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: -10C to 70C Storage temperature: -30C to 70C Applicable to NTSC, PAL, SECAM, and CCIR systems Note: The transceiver is not waterproof; avoid wet environments; use indoors or install in a waterproof enclosure when used outdoors Style: 8-way with tail wire Material: Aluminum plastic + copper Color: Silver + Black Package Contents: 1 x Passive Transmitter Only the above package content; other products are not included Note: Light and display differences may cause slight color variations between the image and actual item; measurement error allowed within +/- 1-3cm