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.

Highlights

Built-in 2G/3G/4G LTE 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/4G 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
GPS

E-Lins has a better industrial design

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

GNSS / GPS is supported (option)