FCC or CE mode Airunit to Airunit

We are considering using the Herelink in our system and have been doing some ethernet testing Airunit to Airunit. This is working great. However, I need to confirm what regulations I have been testing on, CE(20dB) mode or FCC (23dB)mode. We currently have not purchased the remote control, so I cannot set the region. I require the testing to be done in CE mode(20dB)
I understand there is a way to set this using ADB commands, but where does it default when it is not set by the remote? 23dB or 20 dB?