Daniels Electronics P25 simulcast system

Daniels Electronics has introduced its latest P25 simulcast solution. Building on the P25 Voter, the solution allows a single P25 signal to be simultaneously broadcast using two or more geographically separated radio transmitters.

For extended or improved coverage, multiple receivers can be installed on the same frequency. When the subscriber unit transmits, many (and possibly all) of the receivers may hear the transmission depending on the location of the subscriber unit. The voter will then determine and select the ‘best’ received signal from all the signals received and then it is rebroadcast simultaneously from the base station transmitters, allowing improved talk-back capability between mobiles in the field.

The system is based on the MT-4E conventional radio system and requires no changes to existing MT-4E radios. It is also supported in all the P25 frequency bands (VHF, UHF, T-Band, 700 and 800 MHz).

Each receiver site consists of a Daniels subrack along with the voter. An industrial PC then receives all the voted received signals and sends the result to the transmitter sites.