Connecting radios all over the world

Motorola GM-Series radios

We have made virtual control heads for the advanced radios in the Motorola GM-series. In Europe they are known as GM360, GM380 and GM1280. See table below for numbering in Asia and America.

The virtual control head gives you full control of the radio, just as if you were sitting in front of it. All buttons can be accessed from your touch screen, with the mouse or by short cuts on the standard keyboard.

In order to connect to the radio you should take away the standard control head from the radio and install the remote head. (It will not work through the microphone connector on the control head)

All audio and data goes through the front connector.

Through the back connector of the radio only external alarm is connected. Standard is pin 4 programmed for external alarm low output. Mimer will through this know that a selective call has been placed to the radio and activate its sel call function; blinking green name bar and audio alert.

The radio SHALL NOT be wired for “ignition sense” to auto start. The Network Interface will restart the radio if power has been cut and then restored.

Older Motorola radios

Other Motorola radios like the GM340 or CM-series radios can be connected through audio and PTT, without a virtual control head. We have ready made interfaces and cable kits for this.

For older Motorola radios we have generic cable kits.

It will give you audio and PTT functionality, but no virtual control head or channel control.

GM340: Standard is to program Pin 3 as “Voice PTT” active Low on the GP I/O page and Rx Audio as “Filtered Squelched” on the Miscellaneous page.

Examples of use:

  • Local use when several dispatchers want to share one radio
  • Remote use where a dispatcher at one location want to talk to radio users at a different location
  • CrossPatch between Marine radio channels and other two way radios, like analogue, IDAS, DMR, Tetra or MPT

Supported radio models

Please note that the GM-Series radios and accessories are no longer supplied from Motorola.
Mimer SoftRadio
Motorola Application Partner

GM380 radio with interface

Virtual Control Head GM360

Virtual Control Head GM380/GM1280

Virtual Control Head CDM1250

GM360

Also known as:
GM160, GM660, MCX760, CDM1550, GM338, GM339, PRO7100, PRO7200, GM338LS, CDM1550LS+

Use Remote Kit: RLN4802

GM360

GM380

The full keypad 5-tone version

Also known as:
GM398, GM399

Use Remote Kit: RLN4780

GM380

GM1280

The full MPT1327 version

Also known as:
MCX780

Use Remote Kit: RLN4780

GM380

CDM1250

Also known as:
PRO1500 in Latin America

Use Remote Kit: RLN4802

CDM1250a_72_171x171

System examples:

One operator working with one radio

Example with one radio remote controlled from one operator PC.

Two operators working with four radios at two sites

Example with two sites with two marine configured radios at each, remote controlled from two operators.

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