Casing Material : Aluminium Alloy shell with pure copper BNC connectors; Product Name : 8 Channel Passive HD Video Balun; Port : RJ45 BNC;Transmission Distance: HDCVI 720P:400m/ 1080P:250m, HD-TVI 720P/1080P:250m, AHD 720P:250m/1080P:200m; Dimension:7.1"x 2.0"x 1.0"(L*W*T);Weight:381g;Applicable Range : NTSC, PAL, SECAM and CCIR Systems; Unshielded Cat-5 or above twisted pair wire(please use standard Cat-5 or above twisted pair wire. Operating Temperature:-10°C-55°C, Storage Temperature:-20°C-70°C;Humidity:0-96%(non-condensing); HD-CVI / TVI / AHD Passive Video & Audio Connector & Power Balun. Easy installation, using the standard UTP cable system and low voltage power supply;the longest run color was about 1000 feet HD transmitter. The transceiver is not waterproof set,so keeping transceiver away wet environment will be prefer; Suggest to use the transceiver indoors. When installing the transceiver in outdoor,please install it in a waterproof place.Manufacturer: CTXSumTec Features Transmission Signal: 8 Channel; Transmission Distance: HDCVI 720P:400m/ 1080P:250m, HDTV 720P/1080P:250m, AHD 720P:250m/1080P:200m; Category Type: UTP CAT5/5E/6; Video Transmission Properties and Port: Compatible Format:BNC-M; Twisted-pair Video Connector: Push-terminal; Compatible Format: HDCVI/HDTVI/AHD; Resolution:720P/1080P; Anti-interference:>60db; ESD: 1A contact discharge electricity level3; Coaxial Cable Connector: 2KV(common-code) Per:IEC1000-4-5; UTP Cable Connector:2KV(different-code),4KV(common-code).Per:IEC1000-4-5;Impedance: BNC Mother-75ohms; Dimension(L*W*H):180*52*25mm;nShell Material: ABS & Aluminium Alloy Shell ; Color: Silver, Net Weight:380g; MTBF:>10000H; Operating Temperature:-10°C-55°C, Storage Temperature:-20°C-70°C; -Humidity:0-95%(non-condensing). Connection method:Clamp modular plugs for a Cat-5 unshield twisted pair wire according to the connection order of TIA-EIA-568B, connect the clamped modular plugs to the RJ45 socket,connect the coax to the BNC.Category Type: UTP CAT5/5E/6 Compatible Format: BNC-M Video Transmission Compatible Format: CVI/TVI/AHD Anti-interference: >60db Impedance: 75 ohms Dimension(LxWxH): 157x65x29mm / 6.18"x2.56"x1.14" (excluding connectors) Weight: 430g / 0.95lb Package Content:8-Ch Passive HD UTP Cable Video Balun Transceiver