The L404825XFCB05BX is a Wi2Wi WiFlex2 cellular modem module. It is a 2G/3G GSM/EDGE/GPRS modem that supports a wide range of frequencies including 850/900/1800/1900 MHz EDGE and 850/900/1800/1900 MHz UMTS. The modem features advanced power control management, built-in temperature protection, secure SIM access, and supports GNSS and GPS positioning.