Motorola GmbH • Geschäftsbereich Funksysteme
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1 General Information
The MR 11 radio family has been designed on a common technical basis. This means: largely the
same components, the same circuit technology, the same software and the same user interface.
The radios are designed both for private mobile radio and trunking systems.
The MR 11 is the mobile radio in this new radio family. There are two models: the C radios with an
integrated control unit for voice transmission and the R radios (without control unit) with connection
facility for external data equipment and control units for voice transmission.
2 Technical Data
MR 11.. S-C MR 11.. SD-R
MR 11.. T-C MR 11.. TD-R
Brief description With integrated keyboard and LCD With 25-pin data connection
External connection 10-pin FCC socket, 10-pin FCC socket,
loudspeaker and follower contact loudspeaker, follower contact and
25-pin Sub-D socket
Frequency range
MR 1116 146 - 174 MHz 146 - 174 MHz
MR 1142
Receiver 400 - 440 MHz 400 - 440 MHz
Transmitter
Part A (1 - 6 W) 400 - 420 MHz 400 - 420 MHz
Part B (1 - 6 W) 420 - 440 MHz 420 - 440 MHz
Part C (10 - 25 W) 400 - 425 MHz 400 - 425 MHz
Part D (10 - 25 W) 425 - 440 MHz 425 - 440 MHz
MR 1145 440 - 470 MHz 440 - 470 MHz
Channel spacing 20 / 25 kHz, 12.5 kHz 20 / 25 kHz, 12.5 kHz
Number of channels 999 999
Transmitter and receiver Transmitter and receiver
freely programmable freely programmable
AF output power 4 W on 4 4 W on 4
Signalling Analog / digital Analog / digital
Antenna connection BNC BNC
Dimensions (W x H x D) 178 x 35 x 165 mm 178 x 35 x 165 mm
Weight 1,100 g 1,100 g
Protection class IP 50 IP 50
2 - 2
MR 11
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