Does this module work with MegaPi: https://makeblockshop.eu/products/makeblock-2-4g-wireless-serial-for-mbot ?
Yes, the 2.4G serial module for mBot works on MegaPi too .
Did you try the 2.4G module with the megaPi (ultimate)?
All the dealers I talk to say either:
I haven’t bought it yet so I don’t know for sure.