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1-1/4″ CABLE

(10 customer reviews)

Original price was: ₹2,800.00.Current price is: ₹2,320.00.

| 1-1/4″ CABLE | This is a robust coaxial cable with a 1-1/4″ diameter, suitable for high-power and long-distance signal transmission. It offers low attenuation and high durability for demanding applications. |

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1-1/4″ Cable refers to coaxial cables with an outer diameter of 1.25 inches (approximately 31.75 mm). This size is used in applications where high power and low signal loss are required, often in broadcast, telecommunications, and high-frequency RF applications. The specifics of the cable can vary depending on the exact type and design.

Common Types of 1-1/4″ Coaxial Cables:

  1. RG-8/U:
    • Description: A commonly used coaxial cable with a diameter close to 1-1/4 inches. Known for its low attenuation and good electrical characteristics.
    • Impedance: 50 Ohms.
    • Frequency Range: Suitable for frequencies up to about 1 GHz.
    • Applications: Used in radio transmitters, receivers, and other RF applications.
  2. LMR-400:
    • Description: While slightly smaller in diameter compared to 1-1/4″ cables, it is used for similar high-performance applications. Often used in telecommunications and broadcasting.
    • Impedance: 50 Ohms.
    • Frequency Range: Suitable for frequencies up to 6 GHz.
    • Applications: Used in Wi-Fi systems, cellular base stations, and other RF applications.
  3. Air-Dielectric Coaxial Cables:
    • Description: These cables use air as the dielectric material, which minimizes signal loss. They are often used in high-power RF applications.
    • Impedance: Typically 50 Ohms.
    • Frequency Range: Suitable for high-frequency applications, often up to several GHz.
    • Applications: Used in broadcast, radar, and communications systems.

General Specifications:

  1. Construction:
    • Center Conductor: Made from solid or stranded copper or aluminum. For high-performance cables, it is often silver-plated or made from high-purity materials.
    • Dielectric Insulation: Typically made from materials such as foam polyethylene or PTFE (Teflon). Air-dielectric cables use air or a specific dielectric foam.
    • Shielding: Usually consists of multiple layers, including a foil shield and a braided shield, to protect against electromagnetic interference (EMI) and signal leakage.
    • Outer Jacket: Made from durable materials like PVC or rubber to provide mechanical protection and flexibility.
  2. Electrical Characteristics:
    • Impedance: Usually 50 Ohms, suitable for most RF applications.
    • Frequency Range: Can vary significantly depending on the cable type. For typical high-performance cables, the frequency range can go up to several GHz.
    • Attenuation: Low attenuation, typically around 6-10 dB per 100 feet at 1 GHz for high-performance cables. This ensures minimal signal loss over long distances.
    • Return Loss: Generally good, often ≥ 20 dB, indicating effective impedance matching and minimal signal reflection.
  3. Mechanical Characteristics:
    • Flexibility: Varies by design. Some cables are highly flexible, while others are more rigid.
    • Temperature Range: Typically operates within a temperature range of -40°C to +85°C, but this can vary based on the cable construction.
  4. Physical Dimensions:
    • Diameter: Approximately 1.25 inches (31.75 mm).
    • Weight: Heavier compared to smaller coaxial cables due to its larger size and construction.

Applications:

  • Broadcasting: Used in television and radio broadcasting systems for high-power signal transmission.
  • Telecommunications: Employed in cellular and network infrastructure where high signal integrity is crucial.
  • Radar Systems: Suitable for high-frequency radar systems.
  • High-Power RF: Used in transmitters and other high-power RF applications.

Example Part Numbers:

  • Manufacturer: Various manufacturers produce 1-1/4″ coaxial cables, such as Belden, Times Microwave Systems, and others.
  • Part Number Example: Belden 8219 or similar for RG-8/U equivalents. Verify with the manufacturer for detailed part numbers and specifications.
Brand

RF CONNECTOR HOUSE

Type

Fleex Cable

Color

Black

Impedance

50Ω

Inner Conductor

Smooth Copper Tube – 13.10mm

Dielectric

Foamed Polyethylene – 32.50mm

Outer Conductor

Annularly Corrugated Tube – 35.80mm

Jacket

Flame Retardant Jacket – 39.00mm

10 reviews for 1-1/4″ CABLE

  1. Keshav (verified owner)

    Highly satisfied! This product is of great quality.

  2. Anuj (verified owner)

    Great product and value for money.

  3. Darshan (verified owner)

    The product works perfectly. Very happy with it.

  4. Himanshu (verified owner)

    Very happy with this purchase. Worth every penny!

  5. Zubair (verified owner)

    Amazing product! Exceeded my expectations.

  6. Rudra (verified owner)

    Superb product! Will definitely buy again.

  7. Arman (verified owner)

    Good value for money. Excellent service too!

  8. Amit (verified owner)

    “The product quality is evident from the moment you unbox it. Everything feels premium, and it performs exceptionally well. I’ve been using it daily without any issues, and it has significantly improved my workflow. I also appreciate the clear instructions and ease of use. Overall, a great purchase that I’m very satisfied with.”

  9. Piyush (verified owner)

    This product is exactly what I needed. Very reliable.

  10. Madhav (verified owner)

    The product works perfectly. I’m very happy with it.

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