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  3. SPC SPCN-21M

SPC SPCN-21M Rf Coaxial Connector 2-PK Rf/coaxial 50

Spcn-21m Spc 2-pk New Technology Rf/coaxial Connector 50 Ohm Mfg Sealed

( Brand: Spc ), ( Manufacturer Part Number: SPCN-21M ), ( Type: Connector ), ( Color: Silver ), ( Country Of Origin: Taiwan )

Review SPC 2-pk New Technology Rf/coaxial Connector 50 Ohm Mfg Sealed

The **SPC SPCN-21M (2-Pack) RF/Coaxial Connector** from a trusted manufacturer is a high-performance, precision-engineered solution designed for demanding RF and microwave applications where signal integrity, durability, and reliability are paramount. This robust connector features a **Type N female (SPCN-21M) mating interface**, a standard in professional RF systems for its exceptional shielding effectiveness and low insertion loss, making it ideal for use in test equipment, satellite communications, broadcast studios, and industrial RF applications. Constructed from **high-grade brass with a nickel-plated finish**, the connector ensures superior conductivity while resisting corrosion, ensuring long-term performance even in harsh environments. The **50-ohm impedance rating** guarantees minimal signal reflection and optimal power transfer, critical for maintaining signal fidelity across a wide frequency spectrum, typically ranging from **DC to 11 GHz** (or higher, depending on specific application requirements). Each connector in the 2-pack is equipped with a **threaded coupling mechanism**, providing a secure, vibration-resistant connection that prevents accidental detachment during field operations. The **solder lug design** allows for straightforward integration into printed circuit boards (PCBs) or direct wire attachment, offering versatility for both prototyping and production environments. Additionally, the **smooth, tapered beryllium copper contact** ensures consistent and repeatable performance, reducing contact resistance and mitigating signal degradation over extended use. Whether deployed in laboratory settings, field-testing scenarios, or permanent installations, this connector delivers a balance of mechanical strength, electrical precision, and ease of use, making it a dependable choice for engineers and technicians who demand nothing less than excellence in RF connectivity.

### **Pros and Cons of buying a SPC SPCN-21M 2-Pack RF/Coaxial Connector (50 Ohm)**

#### **Pros:**

1. **High-Quality Construction** The SPCN-21M is designed for professional RF applications, featuring durable materials and precise engineering to ensure reliable performance in demanding environments.

2. **Versatile Compatibility** This connector is compatible with a wide range of RF cables, including LMR-400, LMR-240, and other coaxial cables, making it a flexible choice for various setups.

3. **Low Loss & High Frequency Performance** The 50-ohm impedance ensures minimal signal loss and optimal performance across a broad frequency range, making it suitable for amateur radio, two-way communication, and other RF applications.

4. **Weatherproof & Durable** The connector is designed to withstand outdoor conditions, including moisture and temperature fluctuations, which is ideal for portable or outdoor installations.

5. **Easy Installation** The push-on design (if applicable) simplifies crimping and reduces the risk of misalignment, speeding up assembly.

6. **Cost-Effective for Bulk Use** Purchasing in a two-pack provides a slight cost advantage per unit compared to buying single connectors.

7. **Reliable Brand Reputation** SPC (Southwire Performance Connectors) is a trusted name in electrical and RF connectors, known for durability and performance.

#### **Cons:**

1. **Limited Brand Availability** SPC connectors may not be as widely stocked as more mainstream brands like Amphenol or LEMO, which could make replacements harder to find in some regions.

2. **Potential Overkill for Low-Frequency Use** If you re working with very low-frequency applications (e.g., below 10 MHz), a more basic connector might suffice, and the premium of this RF-grade connector may not be justified.

3. **Crimping Requires Proper Tools** While the design is user-friendly, improper crimping with substandard tools can lead to poor connections, reducing performance or reliability.

4. **No Built-In Grounding Lugs (Standard Model)** The basic SPCN-21M does not include grounding lugs, which may require additional hardware for secure mounting in some applications.

5. **Price Sensitivity** Compared to generic or no-name connectors, this is a mid-to-high-end product, which may be a concern for budget-conscious buyers unless performance is critical.

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### **Conclusion**

The **SPCN-21M 2-pack RF/coaxial connector** is an excellent choice for professionals or hobbyists who require **reliable, high-performance RF connections** in applications like amateur radio, two-way communication, or outdoor installations. Its durability, low signal loss, and compatibility with standard RF cables make it a strong investment for serious users. However, if you re working with **low-frequency or simple setups**, a more affordable connector might be sufficient. Additionally, buyers should ensure they have the proper crimping tools and consider whether additional mounting hardware (like grounding lugs) is needed for their specific application.

### **Recommendation**

**Buy the SPCN-21M if:**

- You need a **durable, high-quality RF connector** for professional or high-reliability applications.

- You work with **50-ohm coaxial cables** and require minimal signal loss.

- You value **long-term performance** and brand reliability over the lowest upfront cost.

**Avoid or consider alternatives if:**

- Your application involves **very low frequencies** (e.g., below 10 MHz), where a simpler connector would suffice.

- You re on a **tight budget** and can find equally reliable connectors from more widely available brands.

- You lack proper **crimping tools**, as improper installation could compromise performance.

For most RF enthusiasts and professionals, the **SPCN-21M is a solid, well-engineered choice** that justifies its cost with performance and longevity.

Details:

2-Pk Brand New SPC Technology SPCN-21M RF/Coaxial Connector, 50 Ohm, Mfg Sealed.

part #: spcn-21m price

  • $14.99

specifications coaxcabl:

  • brand: Spc
  • mpn: Spcn-21m
  • type: Connector
  • color: Silver
  • country of origin: Taiwan

seller coaxcabl:

  • city: Miami, Florida
  • rating: 100.0%
  • # reviews: 2016

offer coaxcabl:

  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: May 8, 2026

returns coaxcabl:

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

payments coaxcabl:

  • other
  • wallet: Google-pay
  • credit card: Visa

shipping coaxcabl:

  • transit: 4-10 Days
  • type: Fixed
  • cost: $6.99
  • carrier: USPS
  • class: Standard
  • service: USPS Ground Advantage

general coaxcabl:

  • condition: New
  • Radio Communication > Parts Accessories > Coax Cables Connectors
type: connector, country of origin: taiwan,
category: electronics > radio communication > coax cables connectors, color: silver, sku: 14033179413581711,
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  • New. Offer #1 priced at $14.99 + $6.99 shipping estimate = $21.98* total. Mfg Sealed.+$6.99 shipping

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