GPRS

Overview of Characteristic

Support Four Frequency Bands, Global Standard (850/900/1800/1900M Hz)
Support GSM/GPRS and CMCC or CUCC SIM Card
Support RS485 to GPRS Data Transmission, Serial Port Speed Up to 460800bps
Supports Max 3 Channel TCP/UDP connections, Each Connection Supports 1400 Bytes of Data Cache, and the Network Channel Can be Bound to the Serial Port.
Support Multiple Working Modes: Network Transparent Transmission Mode, HTTP Mode, MQTT, WebSocket
Support IOTService Tool, Remotely and Dynamically Modify Module Parameters
Support SMS AT Command Configuration
Supports Registration Packet , Heartbeat Packet Function, and the Registration Package Supports ICCID, IMEI, IMSI, Software Version number, GPRS Connection Status and other Combinations.
Support NTP
Support Modbus TCP to RTU, Modbus Master Function
Support IOTBridge for Remote Control and Config.
Support IOTBridge working time, for example only works from 10:00 to 10:30 to save the data flow charge.
Support Serial Port, Network OTA Upgrade Firmware.
Multiple Type of Different Power Input：

Protoss-PG11-H：100～240VAC@50～60Hz

Protoss-PG11-M：9～48VDC@1A