by Mark Abrams | Dec 31, 2019 | Articles, Coverage, Design, Top
Land mobile radio (LMR) started in the 1930s and has made a lot of progress since that time. Originally all LMR radios were one-way radios, because they could only talk in one direction. The one-way radios would receive a message in the vehicle where a receiver was...
by Mark Abrams | Dec 11, 2019 | Articles, Coverage, Top
The answer to this question is highly dependent upon the type of radio system you operate and where the different elements of the radio system are located. There is no simple answer to the question. Radio signals travel line of sight from the transmitter to the...