MFJ Enterprises Original MFJ-916B 1.8-225, 350-540 MHz Duplexer - SO-239

It was installed in a go-box with two single band radios and is working very well. Great so far!

Im not sure what the insertion loss is, but I have this connecting APRS (VHF) and my DMR hotspot (UHF) to a single dual-band antenna. At 40mw from the hotspot, I can use my hotspot at over 3 miles away, so the loss must not be too terribly bad! APRS performing as well...

I must have received a bad one. SWR is 3:1 at 146MHz and 2:1 at 222MHz. Tested on a dummy load thats about 1.2:1 at its highest point across the spectrum.

Wish it offered a bit better attenuation

Seems to work just fine. Price was right, too.

Works as advertised.

Great little device. Works good with my Kenwood TS-2000. Well built.

hi and low!!

Works just as advertised.

A dummy load reads about 2.5:1 SWR on 440. Replace duplexer with a barrel and the same dummy load and cables read <= 1.1:1.