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Basic Repeater System
A Single Repeater system requires two separate frequencies for the receiver and transmitter and is used whenever greater coverage in a local area is required. The Single Repeater, usually located on a mountain top or tower, repeats any signal received allowing for greater range for portable or mobile radios. A P25 Repeater System is capable of operating in analog, P25 digital or mixed mode configurations. In Analog mode, the repeater system can be programmed for either wideband analog or narrowband analog operation. CTCSS or DCS operation can be programmed into the receiver and transmitter modules as well as selectable de- and pre-emphasis or flat audio operation. In P25 Digital mode, the P25 repeater will pass all clear and secure (encrypted) P25 digital information. NAC codes can be programmed into the receiver and transmitter modules or the system can be programmed to repeat any incoming signals with the NAC intact. A Dual Repeater system is configured as two independent Repeater Systems. This system operates the same as a single Repeater, but adds a second repeater in the same subrack. The second repeater can be in the same frequency band or another frequency band and can be programmed completely independently from the first repeater. Please see the following PDF application note(s) to view more information: |
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