By: Nitek
Video Transmission Solutions
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Video Balun Transceiver For Twisted Pair Up To 750 Feet

The Niket Video Balun Transceiver for Twisted Pair VB37F video balun transceiver is a video transmission device that provides a low cost means of sending live video over unshielded twisted pair, point-to-point wiring for distances up to 750 feet. The VB37F is compatible with all of the “up-the-coax” control systems. A basic system uses (2) VB37 or (2) VB39 units, one at each end of a twisted pair of wires. These units are intended for use over existing in-house telephone wiring, Category wiring or other twisted pair cable runs to provide a convenient, costeffective alternative to coax. The VB37F is designed to provide superior immunity from noise and interference even when running next to line power!

VB37F features include:

  • Quality video over ordinary twisted pair cable
  • Immunity to noise and interference
  • Built-in surge suppression on VB39 model
  • Passive devices - do not require power
  • Video & P/T/Z over a single pair (with up-the-coax systems)
  • M - version mounts directly to camera or video source
  • Weatherproof design
  • Easier to install than coax
Transceiver Unit Size 1.3” H x 2.0”” W x 0.95” D
Transceiver Unit Input 1 Vpp composite video Monochrome or Color
Transceiver Unit Output Balanced low voltage current loop
System (2 transceivers required)
System Video Format PAL, SECAM, NTSC, RS170, CCIR (Color or B/W)
System Video Input 1 Vpp composite video Monochrome or Color
System Operating Frequency DC to 10 MHz
System Common Mode Rejection >60 dB
Wire Size 26 to 18 AWG twisted pair
Wire DC Loop Resistance 51 Ohms/1,000 ft (max)
Wire Nominal Capacitance 17pF/ft
Wire Impedance 100 Ohms - 20%
Category Wire 2 or better
Temperature Range -40°C to 85°C
Humidity Range 0 to 98%, non-condensing
Transient Immunity 6000 V 1,2uS x 50 us Per ANSI / IEE 587 C62.41 B3 3000 A 8us x 20 us when ground screw terminal is connected to earth-ground
Enclosure Material Black, ABC flame retardant plastic
Twisted Pair Connection Screw terminals
Shipping Weight 1 lb


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Prices and specifications subject to change without notice.