Wireless RS232 GPRS Modem
M400g wireless GPRS modem is a kind of gsm cellular modem. Iit's a industrial gprs modem works under GPRS networks.
Providing GPRS connection, the M400g wireless GPRS modem support SMS feature also, which is popular used in wireless M2M solutions.
The Global System for Mobile Communications Service is the most widely adopted, digital cellular technology in use today. GSM uses time and frequency division techniques (TDMA and FDMA) to optimize the call carrying capacity of a wireless network. GSM also provides a number of carefully standardized and broadly supported capabilities such as Short Message Service (SMS), circuit switched data (CSD) and General Packet Radio Services (GPRS).
Used on the quad band GSM850/900/1800/1900Mhz
The M400g GPRS Modem allows products to immediately offer the full benefits of GPRS technology, such as permanent online connections plus cost-efficient, high-speed data transmission. The M400g RS232 GPRS Modem can be used with a wide range of applications. Just plug & play: Accelerate development and implementation by simply plugging the M400g GPRS Modem into your products. It is backwards compatible with the M400g GPRS Modem and offers additional features.
The ultra compact quad-band M400g 2.5G Modem has all the right industry standard interfaces for GPRS Class 8 data, voice, SMS and fax applications. It can be powered by a wide range of voltages. Abuilt-in SIM card reader makes it easy to plug the M400g GPRS Modem into your application.It has full type approval according to R&TTE, GCF as well as approvals for E-marking.
RS232 GPRS Modem Industrial Application
Download - RS232 Modem GPRS
M400g GPRS Modem Quick Start
M400g GPRS Modem User Manual
For more Industrial Cellular Mobile Modems, please refer to Wireless_Modem_list
For non-industrial cellular mobile modems, please refer to
Appearance - M400g GPRS Modem
Connect to Internet , Audio, Data Transform, Fax, SMS
Supply voltage range 5 - 25VDC(9V suggest)
Class 4 (2W) for EGSM900
Class 1 (1W) for GSM1800
Steel shell: good electromagnetic shield and , heat radiate performance
Electrostatic Discharge (ESD): 3 class
Radiated, radio-frequency, electromagnetic field immunity test: 3 class
Storage Temperature: -40 ~ 85°C
Working Temperature: -30 ~ 75°C
Humidity: 95% (non-condensing)