EXPANDED RF 870-960 MHz
1. Remove Power and Antenna.
2. Remove screws open case.
3. Locate and cut Resistor R52 on Logic A unit.
4. Install a new antenna connector to position J2 on RF board.
Note: a different antenna is required for the 870-960 bands
5. Reassemble the radio.
6. Reset the microprocessor (Insert a toothpick in hole in the corner of the bottom