Indoor Baluns product image 1
Indoor Baluns product image 1
Indoor Baluns product image 2

Product Description

The Comtest Indoor Balun is a passive in-line device designed to convert a signal carried on a balanced twisted pair cable to an unbalanced 75Ω coax cable (and vice versa). Our indoor Baluns are designed for homes or buildings lacking telephone wiring or that have inadequate twisted pair wiring, and provide a method to bring video programming and high-speed broadband services into the premises using the existing wiring. promises to deliver gigabit speeds over short lengths of standard twisted pair Telco cable; this reach can be optimally extended via coax to businesses and MDU environments. Capitalizing on the ultra-broadband capabilities of, these higher bandwidths can be pushed further and further into rural areas and older neighborhoods.

The Comtest Networks Indoor Baluns provide the perfect solution to deliver broadband inside any MDU, business or campus environment.

Product Benefits

  • Converts balanced twisted pair signal to unbalanced 75Ω signal
  • Allows coax to be used to vary the signal where twisted pair is unavailable or inadequate
  • Installed indoors within MDU or DPU enclosures


Dimensions 23.4mm x 23.4mm x 63.8mm (H x W x D)
(0.92” x 0.94” x 2.51”)
Operating Temperature -40 to +65 °C
-40 to 149 °F
Weight 50g (0.11lbs)
Communications Interface 75Ω unbalanced: F-Type Coaxial Connector, 100Ω balanced: Optional twisted pair or RJ-11 Plug
Capacity 1 Subscriber loop per line unit
Compliance Compliant to CSA/UL Standards
Name Order number
Indoor Balun with Twisted Pair SA-2252-0023BK
Indoor Balun with RJ Plug SA-2252-0023WH