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. Standard 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°C to 70°C Storage temperature: -30°C to 70°C Applicable to NTSC, PAL, SECAM, and CCIR systems Note: The transceiver is not waterproof. Avoid exposure to wet environments. It is recommended for indoor use. When outdoor installation is necessary, install in a protected, waterproof enclosure 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: Lighting and different displays may cause slight color variations between the image and the actual item. Measurement allowance: +/- 1-3cm