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Connector Type
BNC Connectors
Surveillance Accessory Type
Surveillance Adapters
2-Wire Installation
Ease of Installation
Beginner (Installs < 10 minutes)
Comelit USA
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Transmit Video Signals Long Distances Between Components Using Cat. 5 Cable
Comelit USA CNTB Passive Video Balun with 10 inch Tail
Comelit USA CNTB Passive Video Balun with 10 inch Tail
Comelit USA CNTB Passive Video Balun with 10 inch Tail
Item# 50977
Price: Normally $15.00 
Hot Deal $6.00
Free shipping on orders over $175 - See Details


  • Up to 1800ft (B/W), Up to 1200 ft (Color)
  • Connect up to 4 cameras per Cat 5 cable
  • Passive, no power required
  • Streamlined compact design
  • Flexible 10" tail conveniently connects multiple Baluns to DVR / Multiplexer
  • Warranty: 3 Years

Essential Info

The Comelit USA CNTB Passive Video Balun with 10 inch Tail offers a convenient and cost effective solution to transmitting video signal over unshielded twisted pair (UTP) cables. Designed with a 10" pigtail, the Balun allows you to connect cameras to DVR/ Mux without space restraints via 2 conductor wire. Using Cat 5, which has 4 pairs of wires, you can connect up to 4 cameras per Cat 5 cable.


  • Video Format: NTSC, PAL, SECAM
  • Maximum Input: 1VP-P
  • Insertion Loss: Less than 2dB per pair over the frequency range from DC to 5Mhz
  • Return Loss: Greater than 15dB over the frequency range from DC to 5Mhz
  • Frequency Response: DC to 5 MHz
  • Attenuation: DC to 5 MHz 1.5dB Max
  • Common Mode Rejection: 15KHz to 5 MHz , 60 dB
  • Impedance:
    • Coax, Male BNC: 75 Ohms
    • Terminal: 100Ohms

  • Power: No power required
  • Temperature Range: 10 ~ 120F
  • Humidity Range: 0 ~ 95%
  • Wire Type: UTP (Unshielded Twisted Pair) 24 AWG
  • Distance: B/W = 1,800ft / Color = 1,200ft
  • Connectors: Screw terminals and RJ45
  • Case: ABS Plastic
  • Dimension: H 34mm x W 20mm x D 20mm (Tail = 280mm)
Important notes:
Smarthome does not accept any returns for this product. If defective, you will need to contact the manufacturer directly for all warranty issues.
Manufacturer contact information: Comelit Cyrex, Tel: (626) 930-0388 Ext 105


1 Ratings
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Average Customer Rating
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Share your thoughts with other customers
DUANE -- phillips, NE   3/7/2013
ordered 4. 3 were back ordered. when they came in, they only had a 3" tail,even better. fit perfectly in dome camera housings


Cat. 5 Cable       
Cat. 5 Cable       

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