How to check what Network (GSM/UTRAN) a module is connected?

I’m using SL808xT. How can I check what Wireless Service Network (GSM or UTRAN) my module is connected to if I set AT+WWSM=2,0 (automatic network).

Hi,

Maybe the parameter from +CREG? or +COPS?

Hope it helps.
Thx

hi sir:
use at+wgprs…you can check what is network is registed