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GPRS DTU
D12 GPRS DTU （DB9）
D22M GPRS DTU （12 pin Terminal board）
D32M GPRS DTU （12 pin Terminal board/4 GPIO）
E12M GPRS DTU MODULE （Embedded）
CDMA DTU
D13 CDMA DTU（DB9）
D13V116 CDMA DTU（12 pin Terminal board）
Dual Mode DTU
M - 450G DTU（DB9）
    E12M GPRS DTU MODULE
R42 GPRS 路由器

The E12M is a complete Quad-band GSM/GPRS solution in an SMD type which can be embedded in customer application, offering the highest reliability and robustness.

Featuring an industry-standard interface, the E12M delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with extremely low power consumption. With a tiny configuration of 29mm x 29mm x 3.6mm, the E12M can fit into almost all the M2M applications, including VTS, Smart Metering, Wireless POS, Security, etc.

Application
  • Remote Data Monitor and Control

  • Water, gas and oil flow metering

  • AMR (automatic meter reading)

  • Power station monitoring and control

  • Remote POS (point of sale) terminals

  • Traffic signals monitor and control

  • Fleet management

  • Power distribution network supervision

  • Central heating system supervision

  • Weather station data transmission

  • Hydrologic data acquisition

  • Vending machine

  • Traffic info guidance

  • Parking meter and Taxi Monitor

  • Telecom equipment supervision (Mobile base station, microwave or optical relay station)
Benefits and Features
  • Industrial design with intelligent software capabilities
  • Quad-band GSM/GPRS module with a size of 29mmx29mmx3.6mm
  • SMD type suits for customer application
  • Embedded powerful Internet service protocols
  • Based on mature and field-proven platform, backed up by our support service, from definition to design and production
  • Full DTU function supported
  • WDSP protocol Support
  • 2 ways Digital I/O port
  • 2 tunnels relay output
  • Remote firmware upgrade over the air (OTA)
  • 1 serial port special for data transferring with transparent mode
  • 1 serial port special for AT command & Debugging
  • Connect to any serial device to GPRS and the Internet
  • Reliable GPRS network connectivity, providing fast and cost-effective long-range
  • Always-On-Line/on Demand mode
  • Sleep mode supported
  • wake up Remotely (SMS or Voice call)
  • Local and remote configuration over the air
  • Multi-destination IP supported
Specifications

Network

Power

Compliant to GSM phase 2/2+
Class 4 (2W @850/ 900 MHz)
Quad-Band:850/ 900/ 1800/ 1900 MHz
GPRS Multi-slot Class:12/10/8
GPRS Mobile Station:Class B

Supply Voltage Range:3.4~4.5 V 4.0V nominal
Low Power Consump-tion:1.1mA @ DRX=5

Interface

Dimension

Analog Audio Interfaces: Two channels
RTC Backup
Serial Port and Debug Port
Antenna Pad
4 GPIOs
SIM slot: 1.8V/3V

External:
Dimension: 29*29*3.6mm
Weight: Approx 6g

Environment

SPECIFICATIONS FOR DATA

Working：-45 ~ 85℃
Humidity：≤95%

GPRS Class 12 : max. 85.6 kbps (uplink & downlink)
PBCCH Support
Coding Schemes: CS 1, 2, 3, 4
CSD: up to 14.4 kbps
USSD
Non Transparent Mode & Transparent Mode
Protocols : PPP
TCP/IP
HTTP
FTP
MMS
SIZE

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