Connectors - UHF

UHF Connectors - Commonly referred to as a UHF (Male or Female), PL-259 and SO-239. The UHF connector uses a thread of 5/8" x 24 UNEF. The UHF connector dates back to the 1930s and is largely a standard on HF and other radios. Useful at HF without much issue, many radios in the VHF and UHF frequency ranges come standard with UHF connectors and the connector is not really a top performer at VHF and above frequencies. Not that one would probably notice the difference talking to a buddy across town, but measurements indicate it is better at HF than VHF or UHF. You will likely heat the cable before you ruin a good connector with RF power.

HEX Crimp Die Sizes* for FERRULES for common RF Cables:

.429" - LMR-400, RG-8/11/213/214, Belden 8214/9913

.255" - LMR-240, RG-6/8X/59/62/223

.213" - LMR-195/200, RG-58/142/400

.178" - LMR-100/110, RG-174/178/188/196

*The hex sizes shown are nominal sizes, the user should always inquire if it is not known what size crimp is needed from the manufacturer of the connector. Connectors in this day and time do unfortunately vary in size.

The majority of our brand center RF pins are designed to be soldered and not crimped.

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