Features: 100% Brand new and high quality! Provide noise interference restrain design and permit stable images Lower budget and reduce installation cost Real-time video signal transmission Mainly used for security, education and other fields Support all video devices, such as camera, monitor, DVR card and recorder and so on Specifications: Transmission Distance: 600M (2000') DC Loop Resistance: 18 Ohms Per 100M Loss Ratio: >2dB Rejection Ratio: <15dB Interference: >40dB Input Impedance: 75 Ohms Output Impedance: 100 Ohms Frequency Response: DC-6MHzPackage Includes: 12 Pairs Video Transceiver