645M-4 Cellular & WiFi IIoT Router

The ELPRO 645M-4 is today’s leading solution for enabling your devices to the Internet of Things
(IoT) and Industrie 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 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.


• Water / wastewater pump control connectivity
• Irrigation monitoring and control
• Secure remote access to equipment
• Utility metering
• Wellhead monitoring
• Video Surveillance
• Pipeline management
• IIoT Deployments
• Smart grid networking
• Secure Peer to Peer networks


• 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


Catalog Number: 645M-4
Applications: Networking Wind Turbines and Solar Collectors, Electricity Network Control, Tank Farm Monitoring, Water Distribution Network, Environmental Monitoring


  • Multicarrier Protocols
  • Receive Antenna Diversity
  • Client and Router Configuration
  • TCP/IP Packet Assembler/Dis-assembler for Serial Devices
  • Internal PPTP VPN Server and Client
  • IPsec, GRE Tunneling, PPTP, VPN, RADIUS/802.1x
  • Built-in DHCP Server and Port Forwarding
  • MAC and IP Address Filtering
  • ARP/GARP Filtering – Whitelist/Blacklist
  • Dual 10/100baseT IEEE 802.3 Ethernet
  • RS-232 Serial Port
  • Analog I/O and Digital I/O
  • Over-The-Air Network Diagnostics and Configuration
  • Auto-Redial for Always-On Connection
  • USB Configuration and Firmware Programming