The PMR446 frequency was introduced in April 1999 as a licence free 2 way radio band for personal or business use.

There are 8 separate RF channels with 38 CTCSS tones on each.

The channel frequencies are listed below;

1. 446.00625
2. 446.01875
3. 446.03125
4. 446.04375
5. 446.05625
6. 446.06875
7. 446.08125
8. 446.09375

The typical range for a PMR446 radio is approx 2 miles in good conditions (dependant on terrain).

Legal power output is 500mW.