Are there mezzanine boards to support GSM/CDMA/cell on 2g/3g/4g bands for the X20?

So far, there is no mezzanine boards in place to support 4G network for X20 96Boards.

Good news is, the alpha star team is developing X20 96Boards Pro which support 4G network with RF daughter board. And the rough release date is by the end of 2016.

Thank you for the good news regarding 4G support. Can you please give any details on the development plan? Any ways to participate?

Thanks for your interesting in 4G network connectivity!

So far, there is no more details of the plan from Alpha Star official.

Could you please tell us your requirements or purpose from your side or products? If it is under confidential, plz email to  us (service@alpha-star.org) to sign a NDA in place!