Method and apparatus for automatically selecting a radio talkgroup
 A communication system (100) has automatic selection of talkgroups based on geographically defined areas. The system (100)includes wireless two-way communication units (120) capable of communicating with each other within a coverage area 205. A particular communication unit 120 is automatically caused to operate as a member of a particular talkgroup when that particular communication unit (120) is within a particular area of operation (207), which particular area of operation (207) is smaller than, and contained within, the coverage area (205). 
Motorola, Inc.
H
H04W
inventional
Timothy J. Larry M.
Sherburne Peterson