• Product Code: HF2111
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Overview of Characteristic

²  Support Four Frequency Bands, Global Standard(850/900/1800/1900MHz)

²  Support GSM/GPRS (No 3G Network) and 2G/3G/4G CMCC or CUCC SIM Card

²  Support Max 3 channel TCP/UDP.

²  Support Multiple Work Mode(Transparent Transmission/AT Commands)

²  Embedded RS232/RS422/RS485 to GPRS interface

²  Size: 95 x 65 x 25mm

²  Single 5~36V DC Power Supply 


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 .

Internet Type GSM/GPRS
Data Rate 85.6Kbps(DL,UL)
Frequency 850/ 900/1800/1900MHz
Multi-Slot Class GPRS Class 12
Terminal Device Class Class B
Coding Schemes CS1 ~ CS4
Max Transmit Power GSM850/GSM900: Class 4(2W) DCS1800/PCS1900: Class 1(1W)
Application AT Command
Network Protocol TCP/UDP
Max Link 3
SIM Card 1.8V/3V
Antenna Interface SMA(female, 50Ω)
Port Interface 1 RS232/RS422/RS485 RS232: DB9 RS485/RS422: 5.08mm connector
Data Bits 5,6,7,8
Stop Bit 1,2
Charity Bit None,Even,Odd
Baud Rate 1200bps ~ 115.2Kbps
Flow Control RTS/CTS
Buffer 1K
Size 95 x 65 x 25mm
Work Temp. -40 ~ 85°C
Storage Temp. -45 ~ 105°C 5 ~ 95% RH
Input Voltage DC 5~36V
Work Current ~400mA
Power <2W
Guarantee 1 year
Accessories 5V/1A Adapter, Male to Female Serial Cable GPRS Antenna
User Guide
HF2111 User Manual V1.4(20171218) [ Download Times: 1311,  Date Update: 2018-04-17 11:01:43 ]