| 摘要 |
PURPOSE:To expand the service area by providing a relay station having a pair of personal radio equipments in the service area of a fixed station and allowing the paired personal radio equipments to set different group numbers. CONSTITUTION:The relay station 6 having a pair of personal radio equipments 11, 12 is installed in a service area 2 of the fixed station 1 and the 2nd relay station 8 is installed in the service area 7 of the 1st relay station 6. Different group numbers are set to the two personal radio equipments 11, 12. When an incoming output of the two personal radio equipments 11, 12 is lost and a prescribed time is elapsed, both the radio equipments 11, 12 are reset, the channel is moved forcibly from the talking channel to the control channel to respond to a new call. |
