What are the differences between MT5634ZBA-V92-NAM Global and Non Global modems?

A global modem is one modem for worldwide use. Multi-Tech’s global modems are designed for global applications with approvals in many countries. The global modem has additional hardware and uses different firmware that allows programming the modem for use in different countries. Here is a link for additional information.

http://www.multitech.com/en_US/PRODUCTS/Categories/Device_Networking/global_modems/