Signaling Methods for Radio Systems
Explore the evolution of radio signaling methods, from burst tones and CTCSS to advanced digital paging and remote control standards.
Conventional Radio
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...
LTR Trunking
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...
The NEXEDGE Digital Advantage
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...