SCI Home > Services > What is a Trunked LMR System?

01  Why do we need LMR?

02  What is a Conventional LMR System?

03  What is a Trunked LMR System?

In two-way radio communications, trunking is the commonly accepted term for electronically controlled sharing of a relatively small number of communications channels among a relatively large number of users.  In general terms, a trunk is a shared voice or data traffic path between two points.  Trunked systems use access control schemes to share channel capacity among many users.  The electronic control enables users to take advantage of the fact that some transmitted channels are idle at a particular time while others are busy.  This results in a more balanced load sharing between trunks.  This is in contrast to a non-trunked or conventional system, where the users exercise their own coordination regarding access to system resources, by listening for idle time and making manual channel selections, which may result in unbalanced channel loads.

04  What is a Hybrid LMR System?

05  What does Interoperability mean?