Cobra 45 WX Handheld Extra Channels:

1. Remove the battery pack and the antenna.
2. Remove the screws from the back of the radio and from the wrist strap.
3. Remove the screws from where the battery is connected.  NOTE: There is a spring loaded tab by the battery connector.
4. Remove the tab and spring.
5. Hold the backside of the radio and pull the front off.
6. Locate the area on the PC board where you are going to make the mods.
7. After the jumper is made you will net to reset the radio.
8. Put the radio back together.

You will now how 40 uppers and 40 lowers.