Codan Radio MT-3 - Manual (Page 11)

MT-3 ANALOG RADIO SYSTEMS | USER GUIDE
Chapter 1: Introduction Page 3
FREQUENCY BANDS AND OSCILLATORS
MT-3 analog radio systems were manufactured in a wide range of frequency bands. Table 1-1 shows
the frequency bands and the local oscillators that were available for the receiver and transmitter
modules in those bands.
Table 1-1: Frequency Bands and Local Oscillators
Band Frequency Transmitter Receiver
VHF Lowband 29 – 50 MHz Enhanced Enhanced
VHF Highband 136– 174 MHz Enhanced or Low Current
or Crystal Enhanced or Low Current
or Crystal
UHF 400 MHz 406 – 430 MHz and
450 – 470 MHz Enhanced or Low Current
or Crystal Enhanced or Low Current
or Crystal
UHF 800 MHz 806 – 824 MHz and
851 – 869 MHz Low Current Low Current
UHF 900 MHz 896 – 902 MHz and
928 – 960 MHz Low Current Low Current
VHF AM 118 – 137 MHz Enhanced Enhanced
DISCONTINUED PRODUCTS
In 2006, the MT-3 VHF Highband, UHF 400 MHz, UHF 800 MHz and UHF 900 MHz radio modules
were discontinued. The MT-4E series of radio modules supersedes the MT-3 series. The MT-4E
product line is available with an “analog only” fi rmware version for customers that do not require P25
compliance. The MT-3 VHF Lowband and VHF AM products are still available.