← All Components  /  RF Connectors
// RF Connectors

PL-259 SO-239 UHF Connector

PL-259 (male) and SO-239 (female) are the standard amateur radio connectors for HF, VHF, and UHF antennas. Performance degrades above 300 MHz.

// Specifications
Standard
MIL-C-71
Impedance
Nominally 50 ohm not controlled
Frequency
DC to 300 MHz practical
Coupling
Threaded 7/8 inch
Use Case
Amateur radio HF/VHF, CB radio
// Pin Reference Table
Pin Name Function Type
1 Center Pin RF signal BUS
2 Outer Thread Ground shield GND