RG59 is a general-purpose coax cable with a characteristic impedance of 75 ohms. You can use RG59 cable indoors, outdoors, or buried in the ground. It's suitable for use with baseband signals, broadcast frequencies, and audio and video signals over distances up to 100 feet. The cable's relatively poor high-frequency signal attenuation characteristics compared to other 75-ohm coaxial limits its suitability over longer distances for broadband internet and high-definition TV signals. The cable is flexible and easy to handle. You may sometimes notice a U after the name, this simply means it’s a general-purpose coaxial cable.
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RG 59$0.00 /
- Approx LBS/MFT: 42.00
- Cond. Material: Bare Copper Clad Steel
- Dielectric (in): 0.146
Additional Information
What is RG59 Coaxial Cable?
RG59 is a versatile coaxial cable with a characteristic impedance of 75 ohms, designed for general-purpose use. It is suitable for indoor, outdoor, or underground applications. RG59 can effectively transmit baseband signals, broadcast frequencies, and audio and video signals over distances up to 100 feet. However, its relatively poor performance in high-frequency signal attenuation limits its use over longer distances for applications like broadband internet and high-definition TV signals. The cable is noted for its flexibility and ease of handling. The "U" sometimes seen after the RG59 designation indicates that it is a general-purpose coaxial cable.
RG59 Cable Construction:
RG59 is a coaxial cable with a single concentric conductor surrounded by a dielectric layer and screen. The conductor is solid copper-coated steel with a diameter of 0.0253 inches (22 American Wire Gauge or AWG). The dielectric is low-density polyethylene with a capacitance of approximately 22 picofarads per foot. The cable has a pure copper braid screen and a polyvinylchloride (PVC) jacket for protection. RG59 coaxial cable has an overall diameter of one-fourth of an inch.
RG59 Cable Applications
RG59 is commonly used for analog CCTV applications and other audio video applications requiring a 75-ohm cable. It's suitable for wiring analog TV aerials, component video cables, home theaters, and short and medium-length connection cables between digital cable and satellite receivers. Installers prefer this audio video cable over alternatives because of its low cost, small diameter, and good flexibility.
Similar Cables to RG59
Similar 75-ohm cables include military specification RG59, RG6, and RG11 coaxial cables.
M17/29-RG59
Allied Wire & Cable (AWC) M17/29-RG59 coaxial has broadly similar characteristics to standard RG59 except that the cable has lower losses, a higher rated operating temperature, and a guaranteed 3 GHz performance.
RG58
RG58 coaxial cable isn't compatible with visually similar RG59 coaxial because it has a lower characteristic impedance of 50 ohms. Using RG58 coaxial on installations requiring a 75-ohm characteristic impedance results in a poor signal and interference due to signal reflection.
RG Coaxial Specifications
| Center Conductor: | 22 AWG copper clad solid steel wire |
| Dielectric (insulation): | 0.146-inch low-density polyethylene |
| Shield: | Pure copper braid |
| Jacket: | Black PVC |
| Nominal Impedance: | 75 ohms |
| Actual Impedance: | 73 ohms |
| Nominal Capacitance: | 22pf/ft |
| Operating Temperature Range: | -40°C to 80°C |
| Maximum Voltage: | 2300 volts |
| Conductor Resistance: | 55 ohms per thousand feet |
| Velocity of Propagation (%): | 66 |
| Attenuation at 900MHz: | 10.2 decibles per 100 feet |
Allied Wire & Cable RG Coaxial Approvals
- Military specification MIL-C-17
- Restriction of Hazardous Substances (RoHS) compliant
- UL 1581 vertical tray flame test
- UL CL2 fire resistance
- UL 1354 for coaxial cable