Product Description
ARS-G521 - N-Female to UHF-Male (PL-259) Coaxial Adapter
ARS-G521 is a high-quality, commercial-grade Type N Female to UHF Male (PL-259) coaxial adapter designed to provide a reliable transition between equipment and coaxial cable assemblies using Type N (RFN) and UHF interfaces.
Built with a nickel-plated brass alloy body, gold-plated beryllium copper contacts, and a Delrin dielectric, the ARS-G521 provides a durable mechanical connection and dependable electrical performance for RF, communications, antenna, and test applications.
The adapter follows the general UG-83/U-style configuration, associated with UHF-to-Type-N coaxial adapters and historical variations including UG-83A/U, UG-83B/U, and UG-83D/U. Exact military drawing/revision interchangeability should be verified against the specific equipment or application.
The ARS-G521 provides a straightforward solution for connecting equipment with Type N female and UHF male (PL-259) interfaces without requiring a cable assembly or additional interconnect hardware. Its rugged metal construction and gold-plated contacts make it well suited for commercial, amateur radio, mobile radio, antenna, and RF test applications.
Key Features
- Connector 1: Type N Female
- Connector 2: UHF Male / PL-259
- Configuration: N Female to UHF Male
- Style: Similar to mil-Spec UG-83/U Style
- Nominal Impedance: 50 Ohms
- Frequency Range: DC to <500 MHz
- Body Material: Nickel-plated brass alloy
- Contact Material: Gold-plated beryllium copper
- Dielectric: Delrin
- UHF Interface: 5/8"-24 UNEF-style threaded shell
- Commercial-grade construction
- Designed for repeated connection and disconnection in RF equipment and cable systems
Applications
The ARS-G521 is useful wherever a Type N female interface needs to connect to equipment or a cable assembly using a UHF male (PL-259) connector.
Typical applications include:
- Two-way radio communications – Connecting Type N-equipped radios, antennas, tuners, and test equipment to PL-259 coaxial assemblies.
- GMRS & Mobile Radio – Interconnecting RF equipment, antenna systems, meters, duplexers, and accessories with different connector interfaces.
- Antenna Feedlines – Adapting between Type N and UHF coaxial connections.
- VHF/UHF Communications – Equipment interconnection and RF system installation.
- RF Test & Service – Useful for temporary test configurations and laboratory/service equipment.
- Broadcast & Commercial Communications – Interface conversion where compatible UHF and Type N connections are required.
Construction & Performance
The nickel-plated brass alloy body provides mechanical strength and corrosion resistance while maintaining a durable, professional appearance. Gold-plated beryllium copper contacts provide good conductivity and resistance to contact degradation over repeated mating cycles. The Delrin dielectric provides mechanical support and electrical insulation within the adapter.
The nominal 50-ohm impedance makes the ARS-G521 suitable for common 50-ohm RF systems. Although the Type N interface is capable of substantially higher frequencies, the practical operating range of this adapter is governed by the overall adapter design and the UHF/PL-259 interface.
Specifications
| Product Type | Coaxial RF Adapter |
| Connector A | Type N Female |
| Connector B | UHF Male / PL-259 |
| Style | UG-83/U |
| Impedance | 50 Ohms nominal |
| Frequency Range | DC to <500 MHz |
| Body Material | Nickel-Plated Brass Alloy |
| Contact Material | Gold-Plated Beryllium Copper |
| Dielectric | Delrin |
| UHF Thread | 5/8"-24 UNEF-style |
| Application | RF / Antenna / Communications |
Other Details
See warranty details aboveProduct Videos
Custom Field
Product Reviews
5 Reviews Hide Reviews Show Reviews
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Works!
Works and got here quickly.
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★★★★★
American Radio Supply had the adapter (converter) I needed.
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Great
Great
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Fit and finish are great
The fit and finish are great, no noticeable insertion loss. Would buy again.
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Because sometimes, you just need that oddball adapter.
Like the title says, sometimes you just need that oddball adapter. I buy weird adapters all the time and end up using them a lot. Unlike some other whatever to UHF (PL-259) adapters, the clamping ring on these is held tight. Some of the cheaper ones have a compression ring that the threaded part tightens against and if you tighten the connector too much, the ring pops off. These don't do that. Very well made. Haven't swept them yet to see if they are actually 50 ohms all the way from DC to daylight, but certainly good enough for the Broadcasting work I do.
