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Application Notes


This page contains Application Notes and various program/tools covering the usage of the RTCU Products.

Microsoft Azure IoT Hub API

This package demonstrates how to communicate with the Microsoft Azure IoT Hub using MQTT. Please read the documentation here.

Released:  November 30, 2021.
V2.10 goto the download page
Google Cloud IoT Core API

This package demonstrates how to communicate with the Google Cloud IoT Core using MQTT. Please read the documentation here.
V1.00 goto the download page
RTCU X32 Micro Standard Application

Please read the Users Guide here for more information about the functionality of this application.
V3.21B compressed file
RTCU X32 Micro Configuration Tool

Microsoft Windows application for configuration of devices running the above RTCU Micro Standard Application.
V3.10 MSI file
DynDNS Support

This application note describes how to take advantage of the services on www.dyndns.com to keep track of the dynamically allocated IP-address in a typical GSM network topology. Using the RTCU Gateway is the preferred method of communication, but in some cases the approach in this application note can be deployed.
V1.01 LIO-AN1006.zip
Remote serial port using virtual device driver

Demonstrates the use of a virtual device driver running under Windows, that tunnels data over a standard TCP/IP socket connection to a GPRS connected RTCU unit.
The package includes the full source code for the RTCU as well as complete documentation, that can also be read here.

Uses the HW Virtual Serial Port available FREE from
V1.01 LIO-AN1007.zip
MX2i Series RJ45 to RS232 converter cable (RT-O-RJ45SM)

Describes how to make the converter cable from RS232 to the RJ45 present on the MX2i Series.
V1.00 LIO-AN1005.pdf