How to calculate RF signal loss in coaxial antenna cable

FAQ #3295 Updated September 14, 2017

Question:

Is there an easy way to calculate the loss of RF signal as it travels over coax cable? I think this is important when installing remote antennas for wireless mics.

Answer:

Indeed it is important.

Shure has a remote antenna tool to help determine which cables and amplifiers to use at: Wireless Mic Remote Antenna Tool

Here is an online calculator for cable loss: http://www.timesmicrowave.com/calculator/

And another: http://www.net-comber.com/cable-loss.html

Also, see this document: Antenna Set-up for Wireless Systems

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