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  2. sku: 13915666816968793
  3. CABLESONLINE RF-U920C-2

CABLESONLINE RF-U920C-2 Uhf Female Clamp Connector Coax Wire 194732012230 SO-239 50-OHM RG8X MR240

Rf-u920c-2 Cablesonline 2-pack Uhf So-239 Female Clamp -type 50-ohm Connector For Rg8x Mr240 Coax Wire

( Brand: Cablesonline ), ( Manufacturer Part Number: RF-U920C-2 ), ( Connector A: Uhf So-239 Female ), ( Type: Connector ), ( UPC: 194732012230 )

Review CABLESONLINE 2-pack Uhf Female Clamp Type 50-ohm Connector Coax Wire

The **Cables Online RF-U920C-2 UHF SO-239 Female Clamp Connector for RG8X/MR240 Coax Wire** is a precision-engineered RF transition designed to deliver reliable, low-loss performance in demanding amateur radio, military-grade communications, and professional audio applications. Crafted from high-quality materials, this connector features a robust **SO-239 (PL-259) female clamp interface**, ensuring a secure and repeatable connection to standard UHF coaxial cables while maintaining optimal impedance control at **50 ohms**. The clamp-style design eliminates the need for soldering or crimping, making it ideal for field deployments, emergency communications, or temporary setups where speed and durability are critical. The connector is specifically engineered to accommodate **RG8X and MR240 coax cables**, two of the most rugged and widely used coaxial lines in the RF industry, offering exceptional flexibility, moisture resistance, and resistance to environmental stressors like UV exposure and temperature fluctuations. Its **threaded brass body** ensures long-term stability, while the **silver-plated contacts** guarantee minimal signal degradation, high current handling, and corrosion resistance essential for sustained performance in high-power or long-duration transmissions. Whether used in portable HF/VHF stations, military-grade radios, or high-reliability audio distribution systems, this connector bridges the gap between rugged coax cables and standard SO-239 devices with precision, ensuring clean signal transfer and reducing the risk of loose connections or signal loss. Built to withstand repeated mating cycles, the RF-U920C-2 is a versatile solution for professionals who demand both performance and durability in their RF infrastructure.

### **Pros and Cons of buying a CablesOnline RF-U920C-2 UHF SO-239 Female Clamp 50-Ohm Connector for RG-8X/MR240 Coax Wire**

#### **Pros:**

1. **Compatibility with Common Coax Cables** The connector is designed specifically for RG-8X and MR240 coaxial cables, which are widely used in amateur radio, CB radio, and other RF applications. This ensures a proper fit and reliable performance.

2. **SO-239 Threaded Connection** The SO-239 female thread is a standard in amateur radio and communications equipment, making it easy to interface with transceivers, amplifiers, and other RF devices without needing adapters.

3. **50-Ohm Impedance Match** The connector maintains a 50-ohm impedance, which is optimal for most RF applications, reducing signal reflections and improving efficiency.

4. **Clamp-On Design** The clamp-style connector allows for quick and secure attachment to the coax cable without soldering, which is useful for field deployments or temporary setups.

5. **Durable Construction** The connector appears to be made from metal (likely brass or stainless steel), which provides good conductivity and resistance to corrosion, especially if properly grounded.

6. **Cost-Effective Solution** Compared to soldered connections or more complex adapters, this clamp connector offers a straightforward and affordable way to terminate coax cables.

7. **Easy Installation** No special tools are typically required beyond a basic screwdriver to tighten the clamp, making it accessible for hobbyists and professionals alike.

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#### **Cons:**

1. **Potential for Loose Connections** Clamp-style connectors can sometimes develop loose connections over time, especially if the clamp is not tightened properly or if the cable moves frequently. This could lead to signal loss or arcing.

2. **Limited Long-Term Reliability** While clamp connectors are convenient, they may not be as durable as soldered connections, particularly in harsh environments (e.g., high humidity, extreme temperatures, or frequent mechanical stress).

3. **No Grounding Lug for Shield** Unlike some coax connectors, this clamp does not include a separate grounding lug for the shield, which could lead to incomplete grounding if not properly installed. This may result in RF leakage or poor performance.

4. **Size and Bulk** The clamp adds some bulk to the cable, which might be less aesthetically pleasing or less practical in tight spaces compared to smaller connectors like PL-259 or BNC.

5. **Quality Variability** Since this is a generic connector from a distributor (CablesOnline), the actual quality may vary depending on the manufacturer. Some clamp connectors are poorly made, leading to poor conductivity or premature failure.

6. **Not Ideal for High-Power Applications** While suitable for most amateur radio uses, this connector may not be ideal for high-power RF applications (e.g., 100W on HF bands) where soldered connections or high-quality connectors like UHF-250 are preferred.

7. **No Built-In Weatherproofing** The connector itself does not provide weatherproofing, so additional sealing (e.g., with silicone or heat shrink) may be required for outdoor use.

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### **Conclusion:**

The **CablesOnline RF-U920C-2 UHF SO-239 female clamp connector** is a practical and affordable choice for terminating RG-8X or MR240 coax cables in amateur radio, CB radio, and similar low-to-moderate power RF applications. Its clamp design offers convenience and quick installation, while the SO-239 thread ensures compatibility with standard equipment. However, its long-term reliability depends on proper installation and may not match the durability of soldered connections. For most hobbyists and casual users, this connector provides a good balance of ease of use and performance, but those working with high-power setups or in demanding environments may prefer alternative solutions.

### **Recommendation:**

- **Buy it if:** You need a quick, low-cost solution for terminating RG-8X/MR240 coax for low-to-moderate power applications (e.g., 50W or less on HF/VHF), and you prioritize ease of installation over long-term durability.

- **Consider alternatives if:** You require high reliability (e.g., for contesting, portable operations, or high-power use), in which case soldered connections or higher-quality connectors like UHF-250 or PL-259 may be better.

- **Improve reliability by:** Ensuring the clamp is tightened securely, using heat shrink tubing to seal the connection, and periodically checking for loose contacts.

For most amateur radio users, this connector is a solid choice for temporary or semi-permanent setups where convenience is valued.

Details:

2-Pack UHF SO-239 Female Clamp Type 50-Ohm Connector for RG8X, MR240 Coax Wire. 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.

part #: rfu920c2 price

  • $13.94

specifications coaxcabl:

  • brand: Cablesonline
  • mpn: Rf-u920c-2
  • connector a: Uhf So-239 Female
  • type: Connector
  • upc: 194732012230

offer coaxcabl:

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

general coaxcabl:

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

returns coaxcabl:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
  • method: Money back

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  • city: Lynbrook, New York
  • # reviews: 1980 90
  • rating: 99.9%

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connector a: uhf so-239 female, type: connector,
category: electronics > radio communication > coax cables connectors, sku: 13915666816968793,
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1 offer $13.94 USD
  • 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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