How to calculate RF signal loss in coaxial antenna cable

FAQ #3295 Updated September 14, 2017


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.


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:

And another:

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

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