Lab Tests: SMA, BNC, TNC and N Connectors

Lab tests show post WW2 connector designs perform exceptionally well up to 500 MHz. The SMA, BNC, TNC and N connectors are great.

PL-259/SO-239 Return Loss and Attenuation Test

We pit the PL-259 (and SO-239) against more recent connectors. This is the list of contenders plus a description of the test setup.

Pretty Lousy? (PL) 259 Connectors

Various PL259 and SO239 Connections

The PL259/SO239 (aka UHF) connectors have harsh critics and religious defenders. Questionable measurement techniques complicate matters. Let’s clear things up.