Feature:
1. RS232 to GPRS Serial Server TCP 2G GSM DTU Wireless Communication Transparent Transmission.
2. Support custom registration package and heartbeat package.
3. Support SMS configuration parameters, restart.
4. Support for Ali IOT, MQTT.
5. Can configure parameters remotely.
6. Configuration mode: serial AT command, IOTService serial configuration software, IOTService network configuration software.
Specification:
Item Type: RS232 to GPRS Serial Port Server
Model Name: HF7311
Function Explanation: Serial port to GPRS
Processor: RDA8955
Frequency: 256MHz
Operating System: SRX
FLASH Resources: 4MB
RAM: 4MB
Network Interface Parameters:
Cellular Standard: GSM / GPRS
Antenna Form: External SMA inner pin
Cellular Band: 850/900/1800 / 1900MHz
Cellular Communication Network Protocols: TCP, UDP, DNS
Cellular Transmit Power: GSM850 / GSM900: Class 4 (2W)
DCS1800 / PCS1900: Class 1 (1W)
GPRS Rate: 107Kbps down, 85.6Kbps up
Maximum Number Of Connections: 3socket
SIM Card Interface: 1.8V / 3V (external)
Serial Interface Parameters:
Number Of Serial Ports: 1
Interface Standard: RS232
Baud Rate: 1200-460800bps
Configuration Mode: Serial AT command, IOTService serial configuration software, IOTService network configuration software
WEB Page: Not supported
IP Acquisition Method: DHCP
Virtual Data Channel: Support
Firmware Upgrade: Serial or OTA upgrade
Registration Package Function: Support
Heartbeat Packet Function: Support
Custom Script Function: Not supported
Packet Filtering: Not supported
Serial Framing: Not supported
ModbusRTU for Modbus TCP: Support
NTP Function + Time Zone Setting: Support
Parameter Import And Export: Support
Reload Reset Interface: Yes
Environmental Parameters:
Working Temperature: -25-75
Storage Environment: -50-90 C, 5-95% RH (non-condensing)
Power Parameters:
Input Voltage: 9-18VDC @ 1A
Interface Form: RJ45 interface
Package List:
1 x Serial Server1 x GPRS Antenna1 x Crystal Head Turn Button + 4PIN Terminal Network Cable1 x Fixed Bracket1 x Rail Bracket2 x ScrewWhat's in the box
1 x Serial Server
1 x GPRS Antenna
1 x Crystal Head Turn Button + 4PIN Terminal Network Cable
1 x Fixed Bracket
1 x Rail Bracket
2 x Screw
