Extending the frequency of these radios is very easy and can be done directly from the handheld. It's great as it will allow your CT410 and CT710 to cover PMR446 frequencies.
With these simple steps, you will be able to extend (or unlock) your Midland radio to cover full export frequencies: 138-173 MHz and/or 400-470 MHz.
Unlocking the Midland radio
- Turn off the radio
- Hold the
MONI(Flank 1) button and turn on the radio
- You should see
SELFon the screen
- Enter code
5858from your numeric keypad
- You will see the current setting of the frequency
- (Optional for CT710) Enter
With these settings enabled your Midland CT210 will cover full 138-174 MHz range, CT410 will cover full 400-470 MHz range and CT710 will cover both 138-174 MHz range and 400-470 MHz range.