JZK UHF SO-239 Adapter Pack
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The JZK triple-pack of UHF female SO-239 to UHF female SO-239 coaxial barrel adapters provides a simple, low-cost solution for joining two PL-259 plugs together in amateur radio, CB, and antenna feed line setups. Each adapter features an all-metal barrel construction designed to maintain a reliable coaxial connection without the need for additional cable runs. Overall, the pack offers decent value for hobbyists who need a quick coupler on hand, though performance at higher frequencies may be limited by the basic SO-239 connector design.
Key Features & Specs
| Connector Type | UHF female SO-239 on both ends, allowing two PL-259 male plugs to be joined directly |
|---|---|
| Pack Quantity | Comes in a set of 3 adapters, providing spares or coverage across multiple installations |
| Construction | Metal barrel body with threaded coupling nuts for a secure, tool-free connection |
| Compatibility | Works with standard UHF PL-259 plugs used in CB radio, amateur radio (HF/VHF), and antenna systems |
| Frequency Range | Best suited for HF and lower VHF use; SO-239 design is not optimized for UHF frequencies above 300 MHz |
| Impedance | Nominally 50 ohm, matching common coaxial cable and antenna system standards |
| Use Case | Ideal as a barrel coupler to extend or join two coax cable runs without soldering or crimping |
Best for: Amateur radio operators, CB enthusiasts, and antenna hobbyists who need a quick, affordable way to connect two PL-259 terminated coax cables end to end.