As @Jaap pointed out to me, you can quite clearly see a cable. So definitely not wireless. Maybe that's why it was deleted.
Could be the semi wireless one reported? Wires between battery and derailleurs, wireless to the shifters. Looks a lot like 9100 to me? zoom & enhance
@croft started
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As @Jaap pointed out to me, you can quite clearly see a cable. So definitely not wireless. Maybe that's why it was deleted.