IoT LTE Modem PRO4

Transparent cellular modem for smart metering, remote access of utility meters, PLCs and industrial devices

Wireless router
Wireless modem
4G LTE access
Energy metering
4G LTE / LTE450
4G LTE / LTE 450
MBus connection
DIN mount
DIN rail

Read consumption data from up to 31 utility meters with a single modem! This device is equipped with RS232 and RS485 interfaces allowing to connect multiple devices through its RS485 bus system.

The compatibility with the  IEC 61107 smart meter protocols allows communications with PLCs and other industrial devices.

The enclosure was designed with industrial applications in mind: the communication ports, connectors, SIM card holder, can all be protected under the sealable terminal cover, casing supports DIN-rail mount or 3-point mounting.

The device can be supplied from AC mains or USB port (DC). The modem is supplied with an embedded, Linux-based OpenWrt® system, which is configurable on the local interface. The modem has remote access, maintenance features.


Main features

  • LTE Cat.4 / 3G /2G modules (order options)
  • RS232 / RS485 port (RJ45)
  • RS232 / RS485 port (terminal block)
  • AC power
  • IEC 61107 meter protocol compatibility
  • Transparent data transmission (for HES connection, data sending)
  • OpenWRT system, web configuration
  • SSHv2 access, UCI command line
  • Supercapacitor (against power outages)
  • TR-069 remote management protocol support
  • Safety, networking and management protocols
  • Remote firmware updates, configuration



Design and outfit

  • IP51 protected enclosure, fit to DIN-rail or 3-point mounting
  • Communication ports, connectors, SIM card holder, all can be protected by the sealable terminal cover
  • RS232, RS485 ports (RJ45 / terminal block) – for up to 31 meter connections
  • 100-230V AC power connector
  • micro-USB port (for configuration, alternative 5V DC power source)


Meter connection / Data exchange

  • Meter reading: compatibility with any IEC 61107 protocol compatible utility meters
  • The modem is configured for transparent communication by default, but it is also suitable for independent data collection and periodical data upload (OpenWRT / cron.d)
  • Readout cycle is configurable on the local web interface (hourly, daily, weekly, etc)


OpenWRT® system

  • Configuration on web interface – through USB connection (OpenWrt®, LuCi®) with SSHv2 access, UCI command line
  • Supported protocols: TCP/IP, DHCP, ser2net, FTP, NTP time synchronisation, VPN, Firewall


Security / Management

  • Diagnostic, monitoring of operation, modem event logging
  • TR-069 protocol support (remote management / configuration / updates / reboot)
  • Supercapacitor option (orderable, against power outages)


Accessories (order options)

  • LTE antenna
  • DC power cable (USB)
  • RS232/RJ45 cable (RJ45 outfit, optional)
  • Device Manager® software


Technical data



Installation Guide

User Manual

UCI Command Line Reference

EasyCwmp Command Line Reference

License Notice – GNU General Public

License Notice – Vovida Software

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