MaxTrac VHF, UHF and 800 Mcs Model Information
A detailing of the model codes for the VHF, UHF and 800Mcs MaxTrac Radios.

MaxTrac Series Introduction
Intro to the MaxTrac, MaxTrac 50, MaxTrac 100, MaxTrac 300, Radius M100, M214, M216, and GM-300 mobiles

Upgrading a MaxTrac or Radius M100 / M214 / M216 to 32 channels
A step-by-step procedure that will upgrade any MaxTrac to 16 or 32 channels (depending on the logic board), with options like scan.

Motorola GM300 information Page
The GM300 was Motorola's next step in the MaxTrac / Radius mobile product lines.

The GM300 and the M120 are the same series of radio.
The M120 is just the limited version, not unlike the Maxtrac 50 compared with the Maxtrac 300.
Includes model number information.

Motorola_Radius_Mobile_Radios-M100_M206-M2O8-M214-M216_Series
There are some Radius GM300 radios that are M100, M206, M208, M214, and M216 series. Includes model number information.

Channel Upgrade to the GM300 Radio
This procedure is for the purpose of adding more channels / modes to the GM300 radio. Including model number information.


Notes on MaxTrac or Radius M100 / M214 / M216 Logic Boards
This article goes with the "Upgrading" article above. It has additional notes including a procedure for converting a trunking logic board to conventional.

Moving a 449-470 Mcs MaxTrac to cover the 440-450 Mcs Ham band
A step-by-step procedure that makes a UHF MaxTrac a lot more useful on 440-450 Mcs.

Repeater controller interfacing for the Maxtrac and Radius mobile
Information on connections to radios with both 16-pin and 5-pin logic boards.

Interfacing MaxTrac Transceivers to Repeater Controllers 2
Another great page for repeater interfacing to the MaxTracs.

Maxtrac to Tiny Track 3 Plus
This will show how to interface and power a TT3 from the mic jack of a 5 pin Maxtrac or the rear of a 16 pin Maxtrac.

Modifying The Motorola MaxTrac VHF 136 to 174 Mcs. radio for Amateur Radio Applications in the 218 to 225 Mcs. Band
This doccumnet shows how to make the conversions from 136 to 174 MaxTracs to 218 to 225 Mcs. Band.

Motorola Syntor X Information
The Model information table.