WM Systems - Innovation in Smart IoT Systems Industrial RS485 Modem : WM Systems LLC – Innovation in Smart IoT systems

Wireless modem
Wireless access
Product code:
Modem RS485

Universal, external modem with wireless data transmission capabilities, RS485 data connection (and optional RS232 outfit).

The scalable modem is suitable for wireless transparent data transmission of industrial and measurement systems or meters to a remote location or distant IP address, HES centre.

The design and interface outfit meets with the industrial standards and the strict requirements and the brand meter manufacturers’ products.

It also provides remote access, and remote configuration capabilities.

The modem has a C-rail adapter, it’s easy to fix or mount onto a rack or rail.

It can be operated from external 230V AC power supply.

Design and connectivity satisfies the industrial requirements and brand meter manufacturers’ standards.


• It supports the 2G, 3G, 4G, LTE Cat.M, LTE Cat.NB networks
• RS485 data connection, transparent link
• RS232 serial port connection (for configuration)


• WM-E Term® configuration tool
• Alarm notification
• Transparent data transfer (client and server mode)
• Remote & safe firmware updates


Design & Construction
• Separated and sealed isolation
• It can be mounted onto C-rail (by its adapter)
• External power supply is required


• High availability
• Event monitoring
• Supercapacitor option



  • Industrial companies
  • Production field
  • Measurement systems
  • Remote access, maintenance


The modem has industrial outfit and design, plastic enclosure and connector standards.



It supports 2G, 3G, 4G, LTE Cat.M, LTE Cat.NB (narrow-band) mobile network standards, static IP addresses. Transparent data transmission, it supports TCP/IP.



RS485 data connection (2- or 4-wire) is supported for data communication.

RS232 local configuration port is destined for configuration purposes.


Software features

  • Transparent data transmission on wireless network
  • Auto network recovery
  • Remote configuration and firmware updates
  • Alarm notification
  • Realtime clock (optional)



  • Industrial RS485 Modem® (module order options)
  • AC power cable
  • Optional communication antenna (gained, SMA) – according to module selection
  • C-rail adapter
  • WM-E Term® configuration software


Technical data

Industrial RS485 Modem

Pay attention to the following products


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