
( Brand: Cablesonline ), ( Manufacturer Part Number: RF-U920C-5 ), ( Connector A: Uhf So-239 Female ), ( Type: Connector ), ( UPC: 194732012247 )
The **Cables Online RF-U920C-5 5-Pack UHF SO-239 Female Clamp 50-Ohm Connector** is a high-performance, precision-engineered coaxial connector designed to deliver exceptional signal integrity and reliability for demanding RF and microwave applications. Part of Cables Online s robust line of professional-grade connectors, this 5-pack features **SO-239 (PL-259) female clamp-style connectors**, engineered to securely and repeatably mate with RG-8X, MR-240, and other similarly sized coaxial cables while maintaining a consistent 50-ohm impedance. The robust clamp mechanism ensures a tight, vibration-resistant seal, minimizing signal loss and preventing oxidation or corrosion at the connection point critical for long-term performance in outdoor, industrial, or high-frequency environments. Ideal for amateur radio operators, emergency communications, amateur satellite (AMSAT) setups, and field deployments, these connectors are constructed from durable brass with a nickel-plated finish, offering superior conductivity and resistance to environmental wear. The UHF-rated design ensures compatibility with frequencies up to 1 GHz and beyond, making it suitable for a wide range of applications, from portable antennas to fixed installations. Each connector in the pack is individually inspected for quality, ensuring consistent performance and a snug, leak-proof fit every time. Whether used for temporary field connections or permanent installations, the RF-U920C-5 provides a balance of strength, reliability, and ease of use, making it a trusted choice for professionals and enthusiasts alike.
### **Pros and Cons of buying a CablesOnline RF-U920C-5 (5-Pack UHF SO-239 Female Clamp 50-Ohm Connector for RG8X/MR240 Coax Wire)**
#### **Pros:**1. **Compatibility** The SO-239 female connectors are widely used in amateur radio, amateur television (ATV), and other RF applications, making them versatile for various setups.
2. **50-Ohm Impedance** Matches the impedance of RG8X and MR240 coax cables, ensuring minimal signal loss and reflection, which is critical for reliable RF performance.
3. **Clamp-On Design** The clamp-style connector allows for easy installation without soldering, reducing the risk of damage to the cable insulation and simplifying field repairs.
4. **Durability** High-quality metal construction with a secure clamping mechanism helps prevent loosening over time, improving reliability in outdoor or mobile applications.
5. **Cost-Effective** A 5-pack provides multiple connectors at a reasonable price, making it a good option for bulk use in repeaters, antennas, or field-day setups.
6. **Easy to Install** No special tools are required beyond a basic screwdriver, making it accessible for hobbyists and professionals alike.
7. **Weather Resistance** The connectors are typically made from materials that can withstand outdoor conditions, though proper sealing of the cable ends is still recommended for long-term use.
#### **Cons:**1. **No Built-In Weatherproofing** While the connectors themselves may be durable, the exposed cable ends can still be vulnerable to moisture if not properly sealed with heat shrink tubing or other protective measures.
2. **Potential for Loose Connections** If not tightened correctly, clamp connectors can develop weak RF connections, leading to signal degradation or intermittent performance.
3. **Limited to Specific Cable Types** Designed specifically for RG8X and MR240 coax, these connectors may not fit other cable types without adapters or modifications.
4. **No Grounding Lugs** Unlike some bulkhead connectors, these do not include a built-in grounding lug, which may require additional mounting hardware for proper RF grounding.
5. **Quality Variability** Depending on the manufacturer or seller, there may be inconsistencies in plating or clamping force, which could affect long-term reliability.
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### **Conclusion:**The **CablesOnline RF-U920C-5** is a practical choice for those needing **SO-239 female clamp connectors for RG8X/MR240 coax cables**, particularly in amateur radio or ATV applications. Its **clamp-on design, 50-ohm compatibility, and cost-effectiveness** make it a solid option for bulk use, especially for projects where soldering is undesirable. However, users must ensure **proper installation, weatherproofing, and secure tightening** to avoid performance issues.
For **DIY enthusiasts, repeaters, or field operations**, this connector is a **reliable and convenient** solution. Those working in **highly corrosive or extreme environments** may want to supplement it with additional sealing methods.
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### **Recommendation:** **Buy if:**- You need a **quick, solderless connection** for RG8X/MR240 coax.
- You require **multiple connectors** at a reasonable price.
- You prioritize **versatility** for amateur radio or ATV use.
**Consider alternatives if:**- You need **permanent, high-reliability connections** (e.g., soldered or crimped connectors).
- Your setup requires **built-in grounding or weatherproofing** (e.g., bulkhead connectors).
- You re working with **non-standard cable types** that may not fit securely.
**Final Verdict:** A **good value for general-purpose RF applications** when used correctly. Pair with **heat shrink tubing and proper grounding** for optimal performance.
Specifications: UHF SO-239 Female Compression-Type Connector. These UHF SO-239 Female Clamp Compression-Type solder conductor connectors are made to use with RG8X, LMR240 or any other coax cables similar OD, up 6.3mm, Connector, Solder Conductor. Cable Type: RG8X, LMR240 or similar OD Coax Wire 6.3mm. Gold-plated Contacts to ensure optimum signal transfer.
5-Pack UHF SO-239 Female Clamp Type 50-Ohm Connector for RG8X, MR240 Coax Wire.