PL-259 (male) and SO-239 (female) are the standard amateur radio connectors for HF, VHF, and UHF antennas. Performance degrades above 300 MHz.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center Pin | RF signal | BUS |
| 2 | Outer Thread | Ground shield | GND |
PL-259 (male) and SO-239 (female) are the standard amateur radio connectors for HF, VHF, and UHF antennas. Performance degrades above 300 MHz.