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  3. CABLESONLINE RF-U920C-10

CABLESONLINE RF-U920C-10 Uhf Female Clamp Connector Coax 194732012254 10-PACK SO-239 50-OHM RG8X MR240 Wire

Rf-u920c-10 Cablesonline 10-pack Uhf So-239 Female Clamp -type 50-ohm Connector For Rg8x Mr240 Coax Wire

( Brand: Cablesonline ), ( Manufacturer Part Number: RF-U920C-10 ), ( Connector A: Uhf So-239 Female ), ( Type: Connector ), ( UPC: 194732012254 )

Review CABLESONLINE 10-pack Uhf Female Clamp Type 50-ohm Connector Coax Wire

The **CablesOnline RF-U920C-10 10-Pack UHF SO-239 Female Clamp-On Connector** is a high-performance, precision-engineered solution designed for professionals working with RG-8X and MR240 coaxial cables in demanding RF (radio frequency) applications. This robust set of **SO-239 (PL-259) female clamp connectors** is meticulously crafted to ensure a secure, reliable, and low-loss connection, making it ideal for amateur radio operators, field technicians, antenna builders, and enthusiasts who require durability and consistency in their setups. Each connector features a **spring-loaded clamp mechanism**, which grips the coaxial cable firmly without the need for soldering or crimping, reducing the risk of signal degradation or mechanical failure over time. The **50-ohm impedance rating** ensures optimal performance across a wide range of frequencies, from UHF (Ultra High Frequency) up to VHF (Very High Frequency) and beyond, making it versatile for everything from mobile radios and repeaters to amateur satellite communications and experimental antenna projects. The **SO-239 thread standard** guarantees compatibility with a vast array of RF equipment, including transceivers, amplifiers, and test instruments, while the **female orientation** allows for easy mating with male connectors on devices, minimizing the need for adapters. Constructed from high-quality materials, these connectors are built to withstand harsh environmental conditions, including exposure to moisture, vibration, and temperature fluctuations, ensuring long-term reliability in both indoor and outdoor applications. Whether you're working on a temporary field installation, a portable radio setup, or a permanent antenna system, this 10-pack provides a cost-effective and efficient way to achieve professional-grade connections without compromising signal integrity. Perfect for those who demand precision and performance in their RF work, the RF-U920C-10 is a must-have accessory for anyone serious about maintaining clean, reliable, and high-efficiency coaxial connections.

### **Pros and Cons of buying a CablesOnline RF-U920C-10 (10-Pack UHF SO-239 Female Clamp 50-Ohm Connector for RG8X/MR240 Coax Wire)**

#### **Pros**

1. **Compatibility** The connectors are specifically designed for **RG8X and MR240 coax cables**, which are common in amateur radio, CB radio, and emergency communications. This ensures a proper fit and reliable performance.

2. **50-Ohm Impedance Match** The connectors maintain a **50-ohm impedance**, which is standard for most RF applications. This minimizes signal loss and reflections, improving transmission efficiency.

3. **SO-239 (PL-259) Compatibility** The **female SO-239 (PL-259) threads** allow easy attachment to standard PL-259 connectors found on antennas, coax cables, and transceivers, making them versatile for various setups.

4. **Clamp-On Design** The **clamp-style connectors** provide a secure, crimp-free connection. This is useful when working with pre-terminated coax cables where soldering is impractical.

5. **Durability** High-quality brass construction with **silver plating** ensures good conductivity and resistance to corrosion, which is important for long-term reliability in outdoor or harsh environments.

6. **Cost-Effective for Bulk Purchase** Buying a **10-pack** reduces the per-unit cost compared to purchasing individual connectors, making it a good option for hobbyists, radio operators, or small-scale projects.

7. **Easy Installation** No soldering required just clamp and tighten, which is faster and less messy than traditional crimp or soldered connections.

8. **Wide Application Range** Suitable for **HF/VHF/UHF antennas, feedlines, and coax extensions**, including amateur radio (ham radio), CB radios, and emergency communication systems.

#### **Cons**

1. **Limited to Specific Coax Types** While compatible with **RG8X and MR240**, they **won t work** with other coax types (e.g., LMR-400, RG-58, or hardline). Buyers must ensure their cables match before purchasing.

2. **No Grounding Lug** Unlike some coax connectors, these **do not include a grounding lug**, which may require additional shielding or grounding solutions in certain applications.

3. **Potential for Loose Connections Over Time** While clamp connectors are generally secure, **vibration, temperature changes, or improper tightening** can lead to gradual loosening, potentially degrading performance.

4. **No Built-In Weatherproofing** The connectors themselves are not **fully weatherproof** users may need to apply **heat shrink tubing, dielectric grease, or waterproof seals** for outdoor use.

5. **Requires Proper Crimping Tool** While no soldering is needed, **a proper crimping tool** is essential for a secure clamp. Poor crimping can lead to signal loss or connection failure.

6. **No Included Hardware for Mounting** If used in fixed installations (e.g., antenna mounts), buyers may need to purchase **additional hardware (brackets, screws, etc.)** separately.

7. **Potential for Signal Loss at Connector** While 50-ohm matched, **any connector introduces some insertion loss**, though this is minimal in well-made RF connectors like these.

8. **Not Ideal for High-Power Applications** While suitable for most amateur radio use, **extremely high-power transmissions** (e.g., 10kW HF) may require **better heat dissipation or alternative connectors** (e.g., N-type).

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### **Conclusion**

The **CablesOnline RF-U920C-10 (10-pack UHF SO-239 female clamp connectors)** is a **practical and cost-effective solution** for hobbyists, amateur radio operators, and communicators working with **RG8X or MR240 coax cables**. Their **ease of installation, 50-ohm impedance match, and compatibility with standard PL-259 connectors** make them a solid choice for **medium-power RF applications**.

However, they are **not universal** users must confirm cable compatibility and may require **additional weatherproofing or mounting hardware** for outdoor or permanent installations. For **high-power or professional setups**, alternative connectors (e.g., **N-type, BNC, or soldered PL-259**) might be preferable.

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### **Recommendation**

**Buy these connectors if:**

- You work with **RG8X or MR240 coax cables** and need **quick, crimp-free connections**.

- You require **bulk connectors** for multiple projects (e.g., antenna builds, feedline extensions).

- You prefer **SO-239 (PL-259) compatibility** for easy integration with existing equipment.

- Your power levels are **moderate (typically under 1kW)** and you can ensure proper installation.

**Avoid if:**

- You need **universal coax compatibility** (e.g., for RG-58, LMR-400, or hardline).

- You require **high-power handling** (consider **N-type or soldered connectors** instead).

- You plan to use them in **extreme environments** without additional weatherproofing.

- You already have **soldering tools** and prefer **permanent, low-loss connections** (soldered PL-259 may be better).

**Final Verdict:** A **good value for hobbyists and amateur radio users** who prioritize **convenience and bulk compatibility** with RG8X/MR240 cables. For professional or high-power applications, evaluate alternatives based on specific needs.

Details:

Cable Type: RG8X, LMR240 or similar OD Coax Wire 6.3mm. Specifications: UHF SO-239 Female Compression-Type Connector. 10-Pack UHF SO-239 Female Clamp Type 50-Ohm Connector for RG8X, MR240 Coax Wire. 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.

Gold-plated Contacts to ensure optimum signal transfer.

part #: rfu920c10 price

  • $13.94

specifications coaxcabl:

  • brand: Cablesonline
  • mpn: Rf-u920c-10
  • connector a: Uhf So-239 Female
  • type: Connector
  • upc: 194732012254

seller coaxcabl:

  • city: Lynbrook, New York
  • rating: 99.9%
  • # reviews: 1980 79

offer coaxcabl:

  • started: April 22, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

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general coaxcabl:

  • condition: New
  • Radio Communication > Parts Accessories > Coax Cables Connectors

shipping coaxcabl:

  • cost: $0.00
  • type: Fixed
  • carrier: FedEx
  • class: Standard, Expedited
  • service: Standard, FedEx 2Day
  • transit: 2-6 Days

returns coaxcabl:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
  • method: Money back
connector a: uhf so-239 female, type: connector,
category: electronics > radio communication > coax cables connectors, sku: 13913950527352892,
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  • New. Offer #1 priced at $13.94 + $0.00 shipping estimate = $13.94* total. Cablesonline, 1Ft Pure Copper with BNC Male to BNC Male Connectors 50 Ohm Coaxial Cable, R-BX001C.FREE SHIPPING

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