Cellular Modems


645M-4 Cellular & WiFi IIoT Router

 Contact: Email:  apsales@automationproductsales.com  or 704-651-7835


The ELPRO 645M-4 is today’s leading solution for enabling your devices to the Internet of Things
(IoT) and Industrial 4.0. Secure connectivity of your devices has never been so important in today’s industrial world.
With the 645M-4 cellular modem, there is a secure, fast, reliable, and simple way to connect your devices to remotely monitor and control them from anywhere.  Using the 4G /LTE broadband cellular technology including 4GX, the 645M-4-US ensures fast, reliable, and consistent connectivity with mission-critical field devices and assets.
The 645M-4 is a perfect complement to ELPRO wireless solutions, allowing customers to remotely access their networks and is a perfect tool for troubleshooting and diagnosing network health.

The perfect solution for remote monitoring and control of critical customer assets, using reliable and proven cellular network technology.



• 3G/4G/LTE Connectivity including Band 28
• Compact design for easy integration into machines or electrical cabinets
• SMS to control router online/offline, reboot, status, IO alarm, WiFi state
• Integrated RS232 Serial Server
• Automatic fallback to 3G networks
• LAN/WAN Fallback for redundant networks
• WiFi for remote hotspot and mobile applications
• IPSec & OpenVPN Client & Server, L2TP, PPTP
• GRE, Port Forward, DMZ
• Enhanced security for both cyber and data transmission
• 2 x 10/100M LAN / WAN Ports
• Antenna diversity for WiFi and Cellular bands
• 5-40VDC input range with -40 to +85degC operating temperature



BR-645M-4 Din Mounting Kit

The 645M-4 Cellular Modem can be mounted either flat on a panel using the side plate mounting holes or by using DIN Rail mount clips.


The mounting clips are screwed through the side plate mounting holes and provide a clip-on / clip-off mounting solution for “Type O” (Top Hat) 35mm (1.38”) x 7.5mm (0.3”) standard DIN Rail.





Omni-directional LTE Cellular Antenna: 115mm (4.5") long, 690-960/1710-2700MHz, 2dBi gain, includes 3m (10ft) cable w/ SMA (male) connector & magnetic.



824-2500MHz 1.8/2.0/3.5 dBi Omni-directional Cellular Antenna, IP65 , 1,250mm Cable, SMA Male connector with integral 13mm stud mount.



825-960MHz 6dBi / 1710-2190MHz 3dBi Dual Band Cellular Antenna, 200mm Cable, N-female connector with mounting Bracket.