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PL-259 (UHF-Male) to BNC-Female Coax Adapter
PL-259 (UHF-Male) to BNC-Female Coax Adapter

Description
This adapter allows you to convert a standard radio antenna port (SO-239) into a BNC connector. It features a PL-259 (UHF-Male) plug on one side and a BNC-Female jack on the other.
This is the perfect accessory for SWR meters, antenna analyzers, or mobile radios, allowing you to easily connect and disconnect BNC-terminated test cables or antennas without the hassle of screwing and unscrewing a PL-259 connector every time.
💡 Please Note: Sold as a Single Adapter
The main product image shows two adapters from different angles so you can see both connectors. This item is sold as a single (1) adapter.
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Connector 1: PL-259 (UHF-Male): The standard threaded plug with a center pin. Designed to screw into an SO-239 socket on a radio or meter.
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Connector 2: BNC-Female: Features a center hole and the bayonet lugs. Accepts any standard BNC-Male plug.
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Quick Disconnect Convenience: Convert your threaded antenna ports to BNC for fast, twist-lock connections in the lab or field.
✅ Fits Devices with an SO-239 Port
This adapter plugs into:
- Mobile Radios: Any radio with a standard SO-239 antenna jack.
- SWR Meters & Analyzers: Most meters use SO-239 ports; this adapter lets you use BNC patch cables.
Technical Specifications
| Specification | Detail |
|---|---|
| Connector 1 (Radio/Meter Side) | PL-259 (UHF-Male) |
| Connector 2 (Cable/Antenna Side) | BNC-Female |
| Impedance | 50 Ohm |
| Material | Nickel-plated brass |
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