COMET INDUSTRIES CK-3M Deluxe Mobile Mount Cable Step Coax RG-174

( Brand: Comet Industries ), ( Manufacturer Part Number: CK-3M ), ( Part Type: Step Mobile Mount Cable ), ( Antenna Description: Ham Radio Mobile Antenna Mount ), ( Impedance: 50.0 ), ( Color: Black, Silver ), ( Maximum Range: 3.0 ), ( Item Shape: Round ), ( Package Dimensions Lxwxh: 9.33x7.01x1.14 Inches ), ( Weight: 0.62 Pounds )

Review COMET INDUSTRIES Deluxe Mobile Mount Cable Assembly Step Coax

The **Comet CK-3M Deluxe Mobile Mount Cable** is a high-performance, ultra-durable coaxial cable designed specifically for demanding mobile and portable communication applications, offering an exceptional blend of flexibility, signal integrity, and rugged reliability. Engineered with a **3.0mm (1/8") outer diameter**, this cable strikes a perfect balance between compactness and robust construction, making it ideal for use in automotive setups, portable radios, marine environments, and other mobile platforms where space is limited but performance cannot be compromised. The **RG-174** inner construction ensures minimal signal loss and superior resistance to interference, delivering clear and stable transmissions even in challenging conditions. Wrapped in a **braided copper shield** with a high-density aluminum-polyester outer jacket, the cable provides excellent protection against electromagnetic interference (EMI) and physical abrasion, ensuring long-lasting durability in harsh operating environments. Its **flexible yet sturdy design** allows for easy routing through tight spaces, while the **low-loss dielectric** maintains signal fidelity across a wide frequency range, making it suitable for applications from VHF to UHF and beyond. The **deluxe mobile mount version** features reinforced connectors and a reinforced jacket for added protection against wear and tear, making it particularly well-suited for automotive installations where cables are exposed to vibration, temperature fluctuations, and constant movement. Whether used for amateur radio, two-way communication systems, or professional mobile applications, this cable offers a dependable, high-performance solution that combines precision engineering with uncompromising durability.

**Pros and Cons of buying a Comet CK-3M Deluxe Mobile Mount Cable (RG-174 Coax)**

The Comet CK-3M Deluxe is a popular choice for amateur radio operators, particularly those using mobile setups, due to its durability and performance. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **High-Quality Construction**

The CK-3M is built with premium materials, including a braided copper shield and a rugged outer jacket. This makes it resistant to abrasion, moisture, and temperature fluctuations, which is crucial for mobile use where cables are often exposed to harsh conditions.

2. **Low Loss Performance**

RG-174 coax is a lightweight, flexible cable with relatively low loss characteristics for its size. While not as low-loss as thicker cables like LMR-400 or LMR-600, it performs well within typical mobile HF and VHF/UHF ranges, making it suitable for portable and mobile operations.

3. **Flexibility and Maneuverability**

The cable is thin and flexible, allowing it to be easily routed through tight spaces in vehicles, tents, or portable setups without kinking or breaking. This is particularly useful for mobile operators who need to move frequently.

4. **Durable Connectors**

The connectors (typically PL-259 or BNC) on the CK-3M are often high-quality, reducing the risk of corrosion or signal degradation over time. Some versions include weatherproof seals to prevent moisture ingress.

5. **Affordability Compared to Specialized Cables**

While not the cheapest option, the CK-3M offers a good balance between cost and performance. It is more durable than generic RG-58 or RG-8X cables, which can degrade quickly in mobile environments.

6. **Wide Availability and Compatibility**

The RG-174 specification is widely supported, meaning it works with most transceivers, antennas, and accessories without compatibility issues. It is also easy to find in various lengths and configurations.

7. **Good for Portable and Emergency Use**

Its lightweight nature makes it ideal for field day operations, emergency communications, or backpacking setups where weight and durability are priorities.

### **Cons**

1. **Higher Loss Than Thicker Cables**

While RG-174 is low-loss for its size, it still exhibits more signal attenuation than heavier cables like LMR-400 or LMR-600, especially at higher frequencies (e.g., 20 meters and below). For long runs or high-power applications, this can lead to noticeable signal degradation.

2. **Limited Power Handling**

RG-174 has a lower power rating compared to thicker coax, typically around **1,000 watts RMS**. While this is sufficient for most amateur radio applications (where legal limits are usually 1,500 watts PEP), it may not be ideal for high-power contesting or commercial use where excessive heat could degrade performance.

3. **Vulnerability to Physical Damage**

Despite its durability, the thin braid and outer jacket can be damaged by sharp edges, excessive bending, or prolonged exposure to UV light (if not properly protected). This can lead to signal leakage or complete failure over time.

4. **Potential for Corrosion at Connectors**

If not properly sealed or maintained, the connectors on the CK-3M can corrode, especially in humid or marine environments. This can cause intermittent connections or signal loss.

5. **Not Ideal for Fixed Station Use**

For stationary setups where weight and flexibility are less critical, thicker cables (e.g., LMR-400 or Heliax) offer better performance with lower loss and higher power handling. The CK-3M is optimized for mobility, not permanence.

6. **Limited Length Options for High-Frequency Use**

At very high frequencies (e.g., 6 meters or above), even RG-174 can exhibit noticeable loss over long runs. For such applications, shorter cables or low-loss alternatives may be necessary.

7. **Potential for Signal Leakage**

The thin braid on RG-174 is less effective at shielding than thicker cables, which can lead to some signal radiation along the cable length. While this is usually negligible for most applications, it may be a concern in sensitive environments.

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### **Conclusion**

The Comet CK-3M Deluxe (RG-174) is an excellent choice for **mobile, portable, and emergency radio operations** where flexibility, durability, and ease of use are prioritized. Its lightweight design, flexibility, and reasonable loss characteristics make it well-suited for vehicles, field setups, and temporary installations. However, it is not the best option for **fixed stations, high-power applications, or long runs at high frequencies**, where thicker, lower-loss cables would be more appropriate.

If your primary use involves **mobile operation, portable field days, or emergency communications**, the CK-3M is a solid investment. For **stationary setups or high-frequency work**, consider upgrading to a thicker cable like LMR-400 or LMR-600 for better performance.

---

### **Recommendation**

- You need a reliable, flexible cable for **mobile or portable radio operations**.

- You operate primarily in the **VHF/UHF bands** or lower HF bands with moderate power.

- You require a **durable, lightweight cable** that can withstand frequent movement and rough handling.

- You want a **cost-effective solution** that balances performance and ease of use.

- You are running **high power (e.g., 1,500 watts)** or have **long cable runs** (consider LMR-400 or Heliax).

- Your setup is **stationary**, and you can use a thicker, lower-loss cable.

- You operate frequently in **extreme environments** (e.g., marine or high-humidity areas), where corrosion resistance may be a concern (opt for cables with better shielding or corrosion-resistant connectors).

For most mobile operators, the CK-3M is a **highly recommended** choice due to its reliability and versatility. Pair it with proper connectors (e.g., PL-259 with dielectric boots) and a good strain relief system to maximize its lifespan.

Details:

The robust construction helps reduce insertion loss and supports reliable transmission even on demanding mobile devices. Beyond the pass-through section, cable transitions to a larger, lower-loss coax with approximately 0.25-inch outer diameter, which maintains strong signal fidelity on HF, VHF, and UHF frequencies during mobile operation. After running the cable, barrel can be reattached to lock in connection. For connectivity, the CK-3M uses gold-plated UHF PL-259 and SO-239 connectors to ensure a long-lasting, corrosion-resistant interface.

The first 18 inches of the cable is made from mini RG-174A/U or similar, allowing it to be routed seamlessly through door or trunk weather seals without causing wind noise, water leaks, damage coax. The Comet CK-3M Deluxe Mobile Mount Cable Assembly is a premium-coaxial cable solution designed specifically for clean, reliable mobile installations with lip mounts or trunk-mounts. This design ensures a secure, discreet path for the coax into vehicle with minimal hassle.

part #: ck3m prices

• $44.95-$86.99

specifications coaxcabl:

• brand: Comet Industries
• mpn: Ck-3m
• part type: Step Mobile Mount Cable
• antenna description: Ham Radio Mobile Antenna Mount
• impedance: 50.0
• color: Black, Silver
• maximum range: 3.0
• item shape: Round
• package dimensions lxwxh: 9.33x7.01x1.14 Inches
• weight: 0.62 Pounds

general coaxcabl:

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

payments coaxcabl:

• credit card: Diners-club
• other
• wallet: Apple-pay

returns coaxcabl:

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

seller coaxcabl:

• city: Kansas City, Missouri
• # reviews: 468
• rating: 98.4%

shipping coaxcabl:

• class: Expedited
• transit: 3-8 Days
• service: Expedited
• cost: $0.00
• type: Fixed

offer coaxcabl:

• sold: 0
• availability: In Stock
• started: April 20, 2026
• options: Ship-to-home
• quantity: 1

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