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VH439

The Nitek VH439 is a four port video balun hub with built-in surge suppression. The four port video balun hub operates as a transmitter or receiver in an installation requiring the use of UTP cabling for security or CCTV cameras. The four port video balun hub with other Nitek UTP transmission products as well including, UTP video baluns, multi-channel UTP video hubs, standard passive video baluns transceivers or active receivers.

Features 
  • Quality video over ordinary twisted pair cable
  • Built-in surge suppression
  • Immunity to noise and interference
  • Built-in video loss detection
  • Video & P/T/Z over a single pair (with “up-the-coax” systems)
  • RJ45 or push terminals for easy connection
Technical Specs 
 Transceiver Unit
Size 1.6″ (H) x 4.3″ (W) x 2.5″ (D)
Power Requirements NONE REQUIRED
Input Connection 1 Vpp composite video
Monochrome or Color
Video Format RS170, NTSC, PAL, SECAM,
CCIR (Color or B/W)
Connection Type Screw terminals or RJ45 modular connector
Common Mode Rejection 60dB
Operating Frequency DC to 10 MHz
Recommended
Transmission Distance
w/passive units – up to 225 meters
w/active units – up to 900 meters
Transient Immunity Built-in
Wire Spec 26 to 12 AWG Twisted Pair
DC Loop Resistance 51 Ohms/300 meters
Normal Capacitance 17pF/ft.
Impedance 100 Ohms +/- 20%
Cable Category 2 or better

 

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