CM3150P GPRS DTU adopts high-powered ARM9 CPU and embedded real time operating system. It integrates all the commonly used protocols, such as TCP/IP/UDP and so on, from logical link layer to upper application layer protocols. It provides a secure, high speed, reliable wireless internet connection for customers. It supports several ways that trigger DTU to be online, including SMS and data. Also, it supports double or several data centers.This product has been widely used in finance, water supply, environment protection, electric power system, post and weather fields.

1. Wireless Specification
i. Dual Band EGSM 900 and GSM 1800
ii. GPRS multi-slot class 10
iii. GPRS data downlink transfer: max. 85.6 kbps
iv. GPRS data uplink transfer: max. 42.8 kbps
v. Coding scheme: CS-1, CS-2, CS-3 and CS-4
vi. CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent, V.110
vii. Unstructured Supplementary Services Data (USSD) support
viii. Compliant to GSM Phase 2/2+
ix. Class 4 (2W) at EGSM 900
x. Class 1 (1W) at GSM 1800
xi. Group 3: Class 1, Class 2
2. Hardware System
i. CPU:Industrial ARM9 CPU, 200MPS, MMU, 16KB Dcache, 16KB Icache
ii. FLASH：8MB (Extendable to 32MB)
iii. SDRAM：64MB (Extendable to 256MB)
iv. Interface:
RS232 serial port ，rates:110~230400bits/s
Indicator lights: Power, Communication, Online
Antenna interface: standard SMA female interface, 50 ohm
SIM interface: standard user card interface (3V/5V)
Power interface: standard 3-PIN power jack
Audio interface: standard MIC-phone jack (reserve)
v. Power supply：Standard power supply: DC 9V 500mA Power range: DC 5-30V
vi. Size:Outline dimension: 92.7x61.3x23 mm
Casing dimension: 200x170x80mm
vii. Weight: 680g
viii. Others:
Operation temperature:-25~+65ºC
Storage temperature: -40~+85ºC
Humidity: 95% (unfreezing)