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Rayleigh Instruments RI-EC-PRO GSM or GSM/Ethernet* Control and Communication Gateways


  • Compact size - 2 module (35mm width) DIN Rail mounting
  • Connect up to 16 x Modbus devices - RI-EC16-PRO
    Connect up to 128 x Modbus devices - RI-EC128-PRO
  • 4G LTE Cat M1 (with 2G fallback)
  • Ethernet TCP Connection (RI-EC128-PRO)*
  • RS485 Modbus RTU Master
  • 1 x Relay output (230VAC/24VDC, 10A)
  • 5VDC/1.5A Auxiliary Supply
  • Quad band 850, 900, 1800, 1900MHz (RED Certified)
  • Optional external 1.5m, 3m or 5m extension antenna (SMA)
  • USB-C port for diagnostics and firmware update
  • Quad band 850, 900, 1800, 1900MHz
  • XVM programmable action engine


The RI-EC-PRO Series are robust and easy-to-use DIN rail mounted data acquisition communication and control gateways. The RI-EC-PRO Series are part of a growing family of gateway devices designed to be used with the rayleighconnect™ cloud-based software platform.

Two versions are available:-
  • RI-EC16-PRO - RS485 Modbus RTU for up to 16 devices and 1MB (100,000 data points) non-volatile Backup Memory
  • RI-EC128-PRO - RS485 Modbus RTU and Ethernet* for up to 128 devices and 16MB (2 Million data points) non-volatile Backup Memory

Data from the RI-EC-PRO devices is encrypted and securely transmitted via 4G LTE Cat M1 or Ethernet* to the rayleighconnect™ cloud software platform.

Both versions have a backup capability to store the data should there be an interruption in communication.

* Ethernet option available on RI-EC-128-PRO only.
Please Note
A SIM Card with a Data allowance is required for this device to send its data via GSM.
We have a number of SIM Card Data Bundles available - call for details.

Additional Information

Manufacturer Rayleigh Instruments


Product Name / Options Price (ex VAT)
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