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RG-83 is a type of coaxial cable used in various RF and telecommunications applications. Below are the typical specifications and attenuation characteristics for RG-83 coaxial cable:

Key Specifications:

  1. Impedance:

    • Standard: 75 ohms (typical for RG cables in video and RF applications).

  2. Inner Conductor:

    • Material: Usually copper or copper-clad aluminum.
    • Diameter: Approximately 0.054 inches (1.37 mm).

  3. Dielectric:

    • Material: Polyethylene (PE) or foam polyethylene.
    • Diameter: Approximately 0.16 inches (4.06 mm).

  4. Outer Conductor (Shielding):

    • Material: Aluminum or copper braid (sometimes with foil for additional shielding).
    • Coverage: Typically 90–95%.

  5. Outer Jacket:

    • Material: Polyvinyl Chloride (PVC) or similar material.
    • Diameter: Approximately 0.242 inches (6.15 mm).

  6. Operating Frequency:

    • Up to 3 GHz (depending on the manufacturer).

  7. Maximum Voltage Rating:

    • Around 1,000 volts.

  8. Applications:

    • RF signal transmission, antenna feeds, and video distribution.

Attenuation Characteristics (Typical):

Attenuation varies with frequency and cable length. Below is an approximate guideline for attenuation per 100 feet of RG-83 cable:

Frequency (MHz)Attenuation (dB/100 ft)
501.5
1002.2
2003.1
4004.6
9007.2
10007.9

Considerations:

  1. Attenuation increases with higher frequencies and longer cable lengths.
  2. If lower attenuation is needed, consider alternatives like lower-loss coax cables (e.g., LMR series).
  3. Verify specs from the specific cable manufacturer as slight variations may exist.
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Specialty Low Loss RG-83 Specialty Low Loss RG-83 Specialty Low Loss RG-83 Specialty Low Loss RG-83
Specialty Low Loss RG-83 100 FT
Our price: $193.21
Sale Price: $190.21
Savings: $3.00
Specialty Low Loss RG-83 150 FT
Our price: $289.82
Sale Price: $284.82
Savings: $5.00
35 ohm, .102" solid BC, solid PE, BC braid, black PVC jacket Low Loss 50 ohm


 		RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.
Specialty Low Loss RG-83 Specialty Low Loss RG-83 Specialty Low Loss RG-83 Specialty Low Loss RG-83
Specialty Low Loss RG-83 250 FT
Our price: $483.02
Sale Price: $478.03
Savings: $4.99
RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.
 		Specialty Low Loss RG-83 "Sold By The Foot"
Specialty Low Loss RG-83 Specialty Low Loss RG-83 Specialty Low Loss RG-83
Specialty Low Loss RG-83 225 FT
Our price: $434.72
Sale Price: $429.72
Savings: $5.00
RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.
 		RG83 Coax Cable can be used in direct burial applications.