... : 1 week after payment confirmed4: Warranty: 2 years guarantee from purchasingDescription of CCTV Video Balun/ Twisted Pair wirless long range video transmitter receiver:Twisted-Pair Video Transmission ... ,5001B,600A4,600A8,600A16Transmission signals:1 channel, 4 channel, 8 channel, 16 channelPower supplyPassive, DC12V, AC220VTransmission distance:300-2500metersVideo bandwidth:0-6MHZ(-6bd)Anti-jamming ...