Looking for SIM800 GSM GPRS ADD-ON V2.0 MODULE SHIELD FOR RPI documentation

[Chococoin]

Hi,

I'm a Raspberry PI 3 hobbyist. Recently I've bought a SIM800 GSM GPRS ADD-ON V2.0 MODULE SHIELD FOR RPI for my Raspberry PI 3 B+. I have found some documentation make by other hobbyists, but I'm afraid that documentation is too old.

I saw some documentation from your company, but it is not crystal clear for pyhton-raspberry hobbyists like me.

I will love to teach how to use the shield to a club of younger programmers, so I promise to help make a documentation child-friendly and share it with you. But Could you help me with more details to make my SIM800 GSM GPRS ADD-ON V2.0 MODULE SHIELD FOR RPI on my Raspberry PI 3 B+? works

Thank you for your support.