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Last modified 2025-09-12

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Motorola GM-300

A picture of Motorola GM-300

SPECIFICATIONS

GENERAL
Type:Professional land mobile VHF or UHF transceiver
Frequency range
depending on version:
136-174 MHz
403-520 MHz
Tuning steps:Channelized (Programmable in ? KHz increments)
Frequency stability:? ppm
Mode: mode
Channels / memory management: 8 or 16 regular
Duplex shift / offset:
Power supply:10.8-15.6 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:
Squelch sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: 1-40 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin (Modular)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:199x-200x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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