Product Overview

• HF2111 Mobile and Unicom GSM/GPRS networks do not support telecommunications.
• HF2111 has rich built-in network protocols and integrates RS232/RS485 standard data transmission interfaces, without the need for any driver programs, making it convenient for traditional serial port devices to connect to the internet

Product Features

• Four frequency global universal (850/900/1800/1900MHz);
• Supports GSM/GPRS networks and 2G/3G/4G China Mobile SIM cards;
• Supports up to 3 TCP/UDP connections
• Support multiple working modes, convenient for users to use flexibly (data transmission mode/AT command mode);
• You can choose an external SIM card or a built-in software SIM card.
• Supports RS232/RS422/RS485 to GPRS data communication interface
• Size: 95 x 65 x 25mm
• Wide voltage supply of 5-36VDC

Network Transparent Transmission

In this mode, User's serial device can send data to specified server through HF2111.

HF2111 support 3 socket links,socket A and socket B,socket .

Message Transparent Transmission

In this mode, User's serial device an send message to  specified server through HF2111 , Also the phone received message can forward to serial device. Simple parameter setting, can achieve data transparent communication between phone and serial device.

Charging Pile Data Real-Time Transmission Solution

HF2111 access to charging pile, Real-time send all charging pile data to server, It's more convenient for management, And HF2111 FTP function can help user connect device to upgrade charging pile MCU directly .