3G Modems for Wireless M2M / IoT

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M400 3G Modem

The M400 series Cellular Modem is a complete wireless data modem providing global cellular network connectivity; where cellular signal available, with 3G/2G fallback capabilities for ensured access to the internet anywhere, providing RS232/RS485/USB port option.

The M400 is an easy to install productivity tool designed to provide maximum accessibility to the mobile professional allowing quick access to the internet for real-time business transactions, email, web browsing and more.



3G Modem 3G Modem

More Description for M400 3G Modem With SIM Slot

highlights for Router/Modem

Built-in 2G/3G industrial cellular module with sim card slot, insert SIM/UIM card to work directly. Can design dual sim modem slot.
SIM failover/standby APN
2G/3G failover for fixed line broadband connections
External antenna connectors for high gain antennas replacement
Support At command
RS232/RS485/USB/RJ45 port option
MIMO supported
Support At command


Option Features:
Voice Supported
Built-in TCP/IP Stack

more highlights

>> Rubust and Working in Wide Range Temperature

Quality industrial grade casing provides robust and reliable 4G modem for installation in many different environments and operating temperature of -35 Celcius to +75 Celcius

4g modem supports wide range temperature

>> GNSS / GPS is supported (option)

GPS for 4G Modem

M400 3G Modem

M400 4G Modem

Compatible Mobile Networks 3G UMTS WCDMA (HSUPA/HSDPA/HSPA/HSPA+/DC-HSPA+)
CDMA2000 EVDO Rev 0/Rev A/Rev B
Cellular Frequency

UMTS/HSPA/HSUPA/HSPA/HSPA+/DC-HSPA+ (WCDMA/FDD) 850/1900/2100 MHz or 850/900/1900/2100Mhz/AWS optional

Quad-band EGSM 850/900/1800/1900Mhz

CDMA1x/EVDO: 800/1900Mhz or 450Mhz optional
3G TD-SCDMA: 2010~2025MHz/1880~1920MHz


Notes: There are many different band and frequency for 4G LTE. Please confirm the detailed band and frequency with your carriers before order.


DC-HSPA+: Downlink 42Mbps, Uplink 5.76Mbps;
HSPA+(H): Downlink 21Mbps, Uplink 5.76Mbps;
HSPA+(L): Downlink 14.4Mbps, Uplink 5.76Mbps;
HSUPA: Downlink 7.2Mbps, Uplink 5.76Mbps;
HSDPA: Downlink 7.2 Mbps, Uplink 384k bps;
WCDMA/UMTS: Downlink/Uplink 384 kbps;


EDGE: Downlink 236,8 kbps, Uplink 118 kbps;
GPRS: Downlink 85.6 kbps, Uplink 42.8 kbps;


CDMA1x: Downlink/Uplink 153.6kbps;
Rev B: 14.7Mbps downlink, 5.4Mbps uplink
Rev A: 3.1Mbps downlink, 2.4Mbps uplink
Rev O: 2.4Mbps downlink, 153.6kbps uplink

3G TD-SCDMA: 2.8Mbps


Notes: the bandwidth is peak value. Real value depends on carrier network support.

Antenna 50Ω SMA female interface *1-3, external detachable;
Antenna for Main Cell, MIMO Cell, GPS
Led Power indicator
Data indicator
USB USB 2.0 female
Serial port DB9 or DB15 (RS232/RS485 optional) or terminal block
Power supply DC7V-36V, typical DC9V1A
Power consumption Peak: 700mA@+9VDC
Average: 85mA@+9VDC
Idle: 30mA@+9VDC
Minimum System Requirements Windows, Linux, Mac OS, IOS, Symbian, Android, other OS support USB/Serial port
At command Support at command;
Packed with GUI software
Operating Temperature Work temperature: -35C to 75C option for -30°C to 80°C
Storage temperature: -40°C to 85°C
Humidity 95% Maximum (Non-condensing)
Dimensions Item (L x B x H): 83mm*53mm*25mm
Packaging (L x B x H): 260mm x 190mm x 65mm
Weight 180g (not including accessories and package)
Electromagnetic compatibility anlistatig test: Class 3
Radio electromagnetism test: Class 3
Warranty 1 Year, can extend up to 5 years
Package Contents The M400 Series Modem
USB cable
DB9 cable
Power Adapter
Other accessories depends on option features

M400 3G Modem

M400 Order Part Number

M400 Order Models

the Ports of E-Lins Router and Modem

the supported Radio of E-Lins Router and Modem