Turbo Quattro

There are two other problems that need solving:

Telit UC864-E-AUTO has 1 antenna connector. The new models all have 2 or 3 antenna connectors. Can they work with only 1 antenna? Or can the antenna be split to connect the extra connectors?
Telit UC864-E-AUTO used a landing pad for its antenna ...

I´ve tried a little bit playing with the GSM modules. The next step must be to migrade to the EU LTE level with change of the module...
To modify the used AT command set in the relevant scripts should not be the problem.
I think we should try:

Telit HE910-G (21Mbps HSPA+ on frequency bands 800 ...

Has anyone replaced the Telit UC864?
I have seen adapter boards that should work with a Telit HE910 and LE910 which are faster. http://www.roundsolutions.com/shop/products/en/Modules/UMTS/HE910-Connector-30x36/HSPA-Module-B2B-Connector-R-UC864-H9.html and https://adaptivemodules.co.uk/index.cfm/fa ...