M5stack U128 which cellular networks

Just wondering does anybody know which Cell Networks the M5Stack U128 2221-U128-ND is registered for ?

The datasheet doesn’t mention cellular networks,

however the manufacturer has to register the device with cellular suppliers for it to be accepted at registration. (According to RevX dataplans.digikey.com)


I am going to send this to the Product Specialist as I am not able to find this either. I will let you know when I get a response.

Below is what we received from the product specialist.


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Thanks ok will get one.