Radioddity CB-500 / Anytone 500M 2. How to HIGH POWER MOD

How to mod your Radioddity CB-500 (Anytone AT-500M 2) to transmit up to 20 Watts FM and 18 Watts AM. No soldering is required anyone can do it. (Radio will be no longer type approved)
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Specifications
This CB radio can be used in US, EU and UK.
GENERAL:
Modulation Mode: AM/FM
Frequency Range: 26.565-27.99125MHz UK FM and Euro Channels
Frequency Tolerance: ± 5.0ppm
Input Voltage: 12/24V
Dimensions: 185 x 124 x 38 mm / 7.3 x 4.9 x 1.5 in
Weight: 620 g / 1.4 lbs
Operating Temperature Range: -20℃ to +50℃
Current Drain:
Transmit: 3A MAX
Receive: Squelched 0.3A
VOL Max: 0.7A
Antenna Connector: UHF, SO-259

TRANSMITTER:
Power Output: 4 Watts FM/AM
Transmission Interference: Inferior to 4nW
Frequency Response: 300-3000 Hz
Modulated Signal Distortion: Inferior to 5%
Output Impedance: 50 ohms

RECEIVER:
Sensitivity: Less than 1uV for 10dB(S+N)/N
Image Rejection: 70dB
Adjacent Channel Rejection: 60dB
IF Frequencies:
1st 10.695 MHz
2nd 455 KHz
Automatic Gain Control(AGC):
Less than 10dB change in audio
Output for Inputs from 10 to 50000uV
Squelch: Less than 1uV
Audio Output Power: 2 Watts at 8Ω, less than 10% distortion
Frequency Response: 300-3000 Hz

Note: This CB radio can be used in US, EU and UK.


What’s in the box?
1 x CB-500(with Car Charger)
1 x Radio Bracket (with 2 Screws)
2 x Pads
1 x Handheld Microphone
1 x Microphone Bracket
4 x Mounting Screw
4 x Gasket
1 x Spare Fuse (F5A220V)
1 x User Manual