FX30 Expansion Board

The FX30 Expansion Boards from Radiocrafts is designed to be the gateway in a LPWAN wireless sensor network and to provide cloud connectivity based on a Sierra Wireless 3G/4G LTE Gateway. The result is a low cost Industrial Internet of Things (IoT) solution to bring sensor data to the cloud applications. The expansion boards support industry proven wireless protocols such as Wireless M-Bus, RC232 and Tinymesh.

FX30 gateway diagram

FX30 Expansion Board Benefits

cloud connectivity

Cloud connectivity


Industrial robustness

Industry Proven Solutions

Proven solution

Detailed description

The boards contain an RF module giving wireless connectivity, and the interface circuitry to the host processor in the gateway. The card has an SMA connector for connecting the external antenna.

The insertion board series include several different products supporting different frequencies and radio protocols. The embedded protocol inside the RF module handles all RF communication and only data payload and easy-to-use commands are sent over the UART or SPI serial bus to/from the gateway processor.

Supported Protocols and Network Standards

  • Wireless M-Bus
  • IEEE 802.15.4g
  • RC232/TinyMesh
  • ZigBee


  • On-board radio module with embedded protocol
  • Easy-to-use UART/SPI interface connects to powerful Sierra Wireless-internal WP module
  • RF interface with SMA connector connects to any standard antenna
  • Same PCB supports modules from a large portfolio of RF modules
  • Miniature LED indicators (connects to RF module-processor)
  • CE certified module for EU frequencies
  • FCC pre-qualified for dedicated RF modules


Product Selection Table

Ordering Number Module Description Availability
RC1180-MBUS3-FX30 Embedded Wireless M-Bus protocol (EN13757-4:2013, 868 MHz radio) Standard parts


RC2400HP-ZNM-FX30 ZNM module for 2.45 GHz mesh
RC1701HP-MBUS4-FX30 Embedded Wireless M-Bus protocol (EN13757-4:2013, 169  MHz radio) for gas, water, heat and electricity meter readings
RC1880-COP-FX30 IEEE 802.15.4g connectivity


868 and 915 MHz high speed modules, RC232 protocol Non standard parts. Contact Radiocrafts sales for lead time and MOQ
RC1180-TM-FX30 Tinymesh gateway
RC1701HP-RC232 169 MHz module with RC232 firmware


Other variants are available upon request.


These documents cover general technical information about the Radiocrafts products.

FX30 Product Datasheet

The data sheet includes features, programming description, circuit diagram and assembly layout of RCxxxx-FX30 expansion boards for the Sierra Wireless FX30 Programmable IoT Gateway.


Sierra Wireless Gateway

The FX30 from Sierra Wireless the industry’s smallest, most rugged programmable 3G/4G LTE cellular Gateway. Expanding it with short range wireless technology from Radiocrafts makes it a versatile solution, covering a wide range of applications and standards.

The FX30 Gateway has an internal slot for expansion cards, where the Radiocrafts expansion card is plugged in. The interface between the main Gateway CPU and the expansion cards are via UART or SPI.

FX30 Gateway Modules


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