JETSTREAM Coax Cable Loss Foam Feet RG-8/U JT-2015F

( Brand: Jetstream ), ( Manufacturer Part Number: JT2015F ), ( Compatible Brand: Universal ), ( Type: Coaxial Rg-8/u ), ( Unit Type: Unit ), ( Color: Black ), ( Cable Length: Approximately 70 Feet ), ( Country Of Origin: United States )

Review JETSTREAM Coax Cable Rg-8/u Low Loss Foam Approximately Feet

The **Jetstream JT-2015F RG-8/U Coaxial Cable** is a high-performance, ruggedized transmission line designed for demanding applications where signal integrity, durability, and reliability are paramount. Constructed with a **70-foot length**, this cable is engineered to deliver exceptional performance across a broad frequency spectrum, making it an ideal choice for amateur radio operators, emergency communications, military and tactical deployments, and professional audio/video setups. The **RG-8/U** specification ensures a robust yet flexible construction, featuring a **7/8-inch outer diameter** with a **foam dielectric core** that minimizes signal loss while maintaining structural integrity under harsh conditions. The **loss foam insulation** reduces attenuation, allowing for clearer transmission over extended distances without compromising signal strength critical for long-range communications or high-gain antenna systems. The **braided copper shielding** provides superior electromagnetic interference (EMI) rejection, ensuring that external noise does not degrade signal quality, while the **aluminum-jacketed outer conductor** enhances durability against abrasion, moisture, and environmental stressors. Whether deployed in fixed installations, mobile setups, or rugged field operations, this cable s **military-grade connectors** (PL-259 or UHF-style, depending on configuration) ensure secure, weather-resistant connections that withstand vibration, temperature fluctuations, and physical strain. Perfect for applications ranging from **HF/VHF/UHF radio systems** to **CCTV surveillance and emergency response networks**, the Jetstream JT-2015F combines **unmatched performance with uncompromising toughness**, making it a trusted choice for professionals who demand nothing less than excellence in their communications infrastructure.

The **Jetstream JT-2015F RG-8/U Coax Cable** is a popular choice for amateur radio operators, CB radio users, and other applications requiring reliable, low-loss coaxial cable. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Jetstream JT-2015F RG-8/U Coax Cable**

1. **Low Loss Characteristics**

The RG-8/U is a well-established coaxial cable known for its relatively low signal loss, especially at higher frequencies (VHF/UHF). The Jetstream JT-2015F maintains these properties, making it suitable for long runs without excessive attenuation. This is particularly useful for HF, VHF, and UHF applications where signal integrity is critical.

2. **Durability and Weather Resistance**

The cable is constructed with a **loss foam dielectric**, which improves mechanical strength and resistance to moisture and temperature fluctuations compared to solid dielectric cables. This makes it more durable for outdoor or harsh environments, such as mounting on masts or running through attics or basements.

3. **Good Impedance Stability**

RG-8/U maintains a consistent **50-ohm impedance** over a wide frequency range, which is essential for proper antenna matching and minimal signal reflection. This stability helps prevent standing waves and ensures efficient power transfer.

4. **Flexibility and Ease of Installation**

The cable is flexible enough for most installation scenarios, including bending around obstacles or coiling for storage. It is also relatively easy to work with for amateurs, as it does not require specialized tools for handling.

5. **Compatibility with Common Connectors**

The RG-8/U is widely compatible with **PL-259 (SO-239) and UHF connectors**, which are standard in amateur radio and CB radio setups. This makes it easy to integrate into existing systems without needing special adapters.

6. **Cost-Effective for Its Performance**

While not the cheapest cable on the market, the Jetstream JT-2015F offers a good balance between performance and price, especially for its length (70 feet). It is often more affordable than premium cables like LMR-400 or RG-6 while still delivering reliable performance.

7. **Proven Reliability**

RG-8/U has been a staple in amateur radio for decades, and the Jetstream version maintains this reputation for reliability. Many users report long-term performance without significant degradation, provided it is installed and maintained properly.

8. **Wide Frequency Range**

The cable performs adequately from **low HF (3-30 MHz) up to UHF (450 MHz and beyond)**, though losses increase at the higher end. For most HF and VHF applications, it is more than sufficient.

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### **Cons of the Jetstream JT-2015F RG-8/U Coax Cable**

1. **Higher Loss Than Premium Cables**

While RG-8/U is better than many older or cheaper cables, it still has **higher loss per foot** compared to modern alternatives like **LMR-400, RG-6, or Heliax**. For very long runs (e.g., 100 feet) or high-power applications, the signal loss may become noticeable, especially at higher frequencies.

2. **Sensitivity to Physical Stress**

Although the loss foam dielectric improves durability, RG-8/U is not as robust as some other cables. It can be prone to **kinking or crushing** if bent too sharply or stepped on, which may degrade performance or even damage the cable. Proper routing and protection (e.g., conduit or cable ties) are recommended.

3. **Weight and Bulk**

RG-8/U is heavier and bulkier than thinner cables like RG-58 or LMR-400. This can make installation more cumbersome, especially in tight spaces or when running long horizontal runs. The 70-foot length may also be unwieldy to handle without assistance.

4. **Limited Temperature Range**

While the loss foam dielectric helps, RG-8/U is not designed for extreme temperatures. Prolonged exposure to **freezing or very high temperatures** can degrade the dielectric or insulation over time, potentially increasing loss or causing failures.

5. **Connector Quality Varies**

Some cheaper or aftermarket versions of RG-8/U may come with **poorly crimped or low-quality connectors**, which can lead to signal leaks or poor connections. Always inspect connectors for a secure fit and consider upgrading to high-quality PL-259 or UHF connectors if needed.

6. **Not Ideal for Very High Frequencies (EHF and Above)**

While RG-8/U works up to UHF, its performance **degrades significantly at microwave frequencies (1 GHz and above)**. For EHF or satellite applications, cables like LMR-400 or Heliax are far superior.

7. **Potential for Moisture Ingress Over Time**

Even with the loss foam dielectric, RG-8/U is not entirely moisture-proof. If not properly sealed (e.g., at connectors or where the cable enters enclosures), moisture can seep in and increase loss or cause corrosion over time. Using **waterproof connectors and sealants** is advisable for outdoor installations.

8. **Limited Availability of Replacement Parts**

While RG-8/U is common, finding **replacement cable or connectors** may be harder than for more modern standards. This could be an issue if the cable needs to be extended or repaired in the future.

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### **Conclusion**

The **Jetstream JT-2015F RG-8/U Coax Cable** is a **solid, reliable choice** for most amateur radio, CB radio, and general RF applications, especially for users who prioritize **durability, ease of installation, and cost-effectiveness**. It excels in **HF and VHF setups** where signal loss is manageable and mechanical strength is important. The loss foam dielectric and 50-ohm impedance make it a practical option for many installations, particularly in outdoor or semi-permanent setups.

However, it is **not the best choice** for applications requiring **ultra-low loss, extreme flexibility, or high-frequency performance**. If you need **longer runs, higher power handling, or microwave frequencies**, alternatives like **LMR-400, RG-6, or Heliax** would be more appropriate. Additionally, users should be mindful of **proper installation techniques** (e.g., avoiding sharp bends, protecting from physical stress, and sealing connectors) to maximize the cable s lifespan and performance.

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### **Recommendation**

- You are working with **HF (3-30 MHz) or VHF (144-148 MHz) applications** and need a **durable, low-loss cable** for moderate runs (e.g., 50-100 feet).

- You require a **reliable, weather-resistant cable** for outdoor or semi-permanent installations (e.g., rooftop mounts, backyard setups).

- You want a **cost-effective solution** that balances performance and price, especially for **CB radio or basic amateur radio use**.

- You plan to use **standard PL-259 or UHF connectors** and can ensure proper handling to avoid physical damage.

- You need **very long runs (100 feet) with minimal loss**, in which case **LMR-400 or RG-6** would be better.

- Your application involves **high-power transmissions (e.g., 1.5 kW or more)**, where **RG-213 or Heliax** may be more suitable.

- You are working with **UHF or microwave frequencies (450 MHz and above)**, where **thinner, lower-loss cables** (e.g., LMR-400) are preferred.

- You require **maximum flexibility or ease of handling**, as RG-8/U is bulkier than alternatives like RG-58 or LMR-400.

For **most amateur radio enthusiasts and CB users**, the **Jetstream JT-2015F RG-8/U** is a **highly recommended purchase** due to its **proven reliability, durability, and affordability**. Pair it with **high-quality connectors** and proper installation practices to ensure optimal performance. If your needs extend beyond its typical use cases, explore alternatives like **LMR-400 or RG-6** for better performance in those scenarios.

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part #: jt2015f prices

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specifications coaxcabl:

• brand: Jetstream
• mpn: Jt2015f
• compatible brand: Universal
• type: Coaxial Rg-8/u
• unit type: Unit
• color: Black
• cable length: Approximately 70 Feet
• country of origin: United States

returns coaxcabl:

• time: 30 Days
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• policy: Returns Accepted

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• city: Springfield, Ohio
• # reviews: 13375

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• started: April 2, 2026
• quantity: 1
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• Radio Communication > Parts Accessories > Coax Cables Connectors
• condition: Used

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• cost: $13.99
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