X62 modules development materials

Hello, I have three modules: RG520N-EB RG520N-CN MH8001-EU. Can you send relevant development materials? Thank you so much

@silvia Can you send relevant development materials?RG520N-EB RG520N-CN MH8001-EU

Dear @US_michael
Please contact with your provider firstly, they have access to get the documents.
Thanks for your understanding.

It seems that the supplier does not have RG520-CN firmware