RS232 and USB interface
Python script interpreter or "C" language
Dual SIM, GPIO, SD card, Battery (options)
LTE 450 MHz/Cat. M1/NB1, LTE Cat. 4/Cat. 1 modem
RS232/RS485/RS422 and USB (configuration) interfaces
Can work as TCP/IP <--> serial gateway
GSM/GPRS QUAD-band
RS232/RS485 interface
Modbus IEC 60870-5, Modbus TCP/IP IEC 61850