Note: Automatic mode connection description: (At present, the automatic mode is not activated, Xiegu may activate this function in the future through firmware upgrade.)

On the basis of the manual mode connection, inserting the 3.5mm stereo butted line into the "TO XPA125B COMM" port of the CN-20 and the other end into the COMM port of the XPA125B.

The CN-20 adapts the PTT signal of the FT-817 and adapts the ALC signal transmitted by the radio.

The output power of the XPA125B can be automatically controlled by the FT-817. Achieve power amplification and control.

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The Xiegu CN-20 is an adapter to connect the Xiegu XPA125/XPA125B to the Yaesu FT-817/818. The adapter connects and converts the transceiver’s PTT line, ALC, and band data to work with the XPA125B. The amplifier will follow the transceiver's PTT, protect from being over-driven using the ALC feedback loop and if enabled automatically chose the band tuned by the transceiver.

Comes with cabling between the final stage to the CN-20 & Minidin cable to the FT-817/818.
　

Connecting Guide ( to download the full manual)
1. Inserting the 8-pin butted line into the "FORM FT-817" port of CN-20 and the other end into the ACC port of the FT-817.
2. Inserting the 6-pin butted cable into the "TO XPA125B ACC" port of CN-20 and the other end into the ACC port of XPA125B.

When connection of the manual mode is completed, please note:
1. In manual mode, it is necessary to manually switch the frequency band of XPA125B to the current working frequency band of FT-817;
2. Non-amateur frequency bands cannot be transmitted;
　

What's in the box?
1 x CN-20
1 x Cable