Codan Radio MT-4E Analog and P25 Digital - User Guide - Manual (Page 10)

USER GUIDE | MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS
Chapter 1: Introduction Page 2
MT-4
The MT-4 series of radio modules entered production during 2001. This radio series is the P25
compliant digital narrowband radio system, capable of analog (wideband and narrowband) or P25
digital operation.
As the MT-4 P25 products evolved, the hardware, fi rmware and software of the radio modules changed.
In order to defi ne these changes, the MT-4 product line is further described as:
MT-4R
The MT-4R series of P25 radios were manufactured from 2001 until the end of 2003.
MT-4D
The MT-4D series of P25 radios were manufactured from 2003 until the middle of 2006.
MT-4E
The MT-4E series are the current line of Analog and P25 modules.
ANALOG ONLY OR ANALOG / P25 DIGITAL FIRMWARE
The MT-4E radio modules are embedded with fi rmware that allows analog operation only. When
the P25 fi rmware upgrade is purchased, the MT-4E family of receivers and transmitters may be
confi gured for P25 digital operation, analog operation, or mixed mode operation.
All P25 digital information contained in this User Guide require the P25 fi rmware upgrade to function.
The P25 fi rmware upgrade can be purchased from the factory when ordering, or can be easily added
in the future by the customer.