... Twisted Pair wirless long range video transmitter receiver:Twisted-Pair Video Transmission is a twisted ... 300A1600A1,5001B,600A4,600A8,600A16Transmission signals:1 channel, 4 channel, 8 channel, 16 channelPower supplyPassive, DC12V, AC220VTransmission distance ... condensable) NA300A/NA600A:wireless 300m/600m video transmitter receiver NA600A4: 4 channels wireless 600m video transmitter receiverNA600A16 ...