by Mark Abrams | Mar 9, 2020 | Articles, Top
The issue of exclusive channels is the most critical item in the design and implementation of advanced radio systems. From a legal standpoint, all trunking formats in use today (except for SmartTrunk and Capacity Plus) requires the use of exclusive frequencies to...
by Mark Abrams | Jan 26, 2020 | Articles, Design, Top
Different types of data require a different type of network implementation. The discussion in this article is based upon GPS data, but there are many other types of data that are sent over radio and cellular systems. Each type of data is handled best by one...
by Mark Abrams | Jan 4, 2020 | Articles, Design, Top
There are many different signaling methods for different types of radio systems that have been developed over the years. Each signaling system has its advantages which make the system work well for its designed purpose and has disadvantages which make the...
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 23, 2019 | Articles, Design, Top
A trunked radio system, as defined by the FCC is, “A method of operation in which a number of radio frequency channel pairs are assigned to mobiles and base stations in the system for use as a trunked group.” Trunking is the pooling of radio channels where all users...
by Mark Abrams | Dec 18, 2019 | Articles, Design, Top
NEXEDGE digital was developed by Kenwood in 2008 based upon NXDN technology which was jointly developed by Kenwood and ICOM. Both companies worked together to develop the NXDN digital technology which has been set up as an open standard that is available to any radio...
