Universal Service
KW-4M & KW-4
CoAx Ratiometer

Discontinued!

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our Used List

Recently sold used

The Universal Service KW-4M CoAx Ratiometer shows you standing wave ratio at all times. It can be permanently installed in the line to any coax-fed antenna or antenna tuner. Frequency range is 2 to 200 MHz. Power capacity is 10 to 1000 watts. Available in 52 or 72 Ohm versions. Includes CoAx unit, switch box and meter.

The Universal Service KW-4 CoAx Ratiometer version includes the CoAx unit and switch box, but is without the 0-100 µAmp meter and without the universal mounting bracket.