Description
RG213U Coax Cable - Black - 150'
Many industries, as well as individuals, use coaxial cable RG213U. Commonly, in the transmission of communications signals such as audio, video, or network signals. You'll probably recognize these cables if you've ever looked at the back of your cable box or modem. The name of these cables is actually coaxial, although many people call them coax. So, what does coax, or coaxial, mean?
The term coaxial means that the cable possesses two concentric conductors. These conductors are separated by an insulating material. To put it simply, the inner conductor is surrounded by a material that insulates it from the outer conductor. The outer conductor works as a conducting shield. In some cases, there may even be another insulating layer after the shield. Most often, the inner conductor carries the signal-carrying voltage while the shield is kept at ground potential. Why manufacture a cable like this? This type of design is beneficial for several reasons. Most important is that this design restricts electric and magnetic fields. The fields are caught in the internal insulating material. This helps to reduce leakage outside the shield.
Why use coaxial cable RG213U? Well, this cable is trusted by the military and many commercial manufacturers. It is commonly used as an antenna feed cable. Specifically, when low signal loss and high voltage for operation are needed. Another common use is VHF and UHF applications.
Specifications:
- Conductor AWG: 13 (7x21) Bare Copper
- Insulation Material: Solid Polyethylene
- Shield Coverage: 95% Bare Copper Braid 1.2Ω/Mft
- Jacket Material/Nom. O.D.: Black PVC 0.405
- Nom. Cap pF/ft: 30.8
- Nom. Cap pF/m: 101.05
- Velocity of Prop. (% pF/m): 66
- Nominal Impedance (Ohms): 50
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