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AF-GSM300-HW868 Smart Gateway

● Support data acquisition of the serial port MODBUS RTU protocol.
● Support for data acquisition of up to 30 MODBUS RTU devices.
● Support the acquisition of 5 register address fields for each MODBUS device.
● Support triggering alarms by presetting alarm addresses and alarm values for each MODBUS address range.
● Support server MODBUS or LORA unvarnished transmission communication.
● Support to connect the data center by fixed IP and dynamic domain name resolution.




Working frequency band

LTE-FDD B1 B2 B3 B4 B5 B7 B8 B12 B13 B18 B19 B20 B25 B26 B28 LTE-TDD B38 B39 B40 B41 UMTS B1 B2 B4 B5 B6 B8 B19 GSM B2 B3 B5 B8 LORA 860~935MHz


Operating voltage



SIM card voltage

3V, 1.8V


Starting Current
350~400mA@12V(400mA when dialing)
DIN 35 mm,Base plate installation







Typical connection


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