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There are a lot of instructions for the conversion of the Midland G9 on the Internet, thereby the power of the device can be increased tenfold: from 500mW to 5W! At this point it should be said that the operating license expires after the conversion in some countries (eg Germany), and you need a corresponding license for use! The following instructions are for training purposes only.
However, the main reason for me was that I wanted to use the device with a throw antenna. This makes the device more handy – the original antenna can not be unscrewed. Furthermore, you can carry the antenna cable over your shoulder and improve the reception.
Although I have almost no previous knowledge in soldering, or of electrical boards, I have dared to the conversion and also successfully carried out. Below I show you what you need and how I did it. Have fun!
Technical information about my device
Manufacturer: Midland (USA)
Type: G9 Plus Camo – Model number: C923.07
8 PMR446 and 69 LPD frequencies
8 PMR and 16 pre-programmed memory channels
Emergency channel with automatic monitoring
PTT button with additional PTT boost button
Standard microphone connector with duo jack socket
Vox function, sensitivity adjustable in 3 steps
Materials and tools:
Here are the different settings of the device . You can change them by opening or closing the jumpers 1-3 accordingly.
1. unscrew the device, remove the pin and the rubber cover on the bottom
2. unsolder the original antenna from the board and remove it
3. loosen the seals and pull out the antenna completely. Originally, jumper 1 was open, jumpers 2+3 were closed
4. Close jumper 1 with soldering iron and solder. Open jumper 3 with the side cutter. Jumper 2 remains closed
5. pull out the wire in the antenna and then saw through the antenna at the 3rd notch
6. Cut 5cm wire and tin both ends. Then solder one end to the BNC socket
7. plug the BNC socket onto the remaining antenna piece. (should already be quite tight)
8. fill the cavity of the antenna piece with 2K adhesive so that the wire sticks out in the center
9. reinsert the antenna, paying attention to the seals. Then solder the cable to the circuit board, Screw the cover back on – done!
As antenna I use the „Tavas Defence Radio“ throw antenna. This is available with plug connections to all common radios. The antenna is top processed, extremely robust and therefore absolutely recommended for paintball. If you attach the antenna to the vest so that it runs over the shoulder from front to back (or the other way around), you improve the range of the radio again significantly.
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