. You can test it by opening a text editor (like Notepad) and scanning a card; the ID should appear instantly. Configuration Utilities Manufacturer Tools

: The software is proprietary to the IC-R20. If you switch to a different radio model, you generally have to buy a new software version from the manufacturer.

| ID | Severity | Description | Workaround | | :--- | :--- | :--- | :--- | | | High | Driver fails to install on Windows 11 24H2 (unsigned driver block) | Boot with bcdedit /set testsigning on | | BUG-02 | Medium | Data log timestamps drift +2 sec/hour | Use external NTP sync | | BUG-03 | Low | UI freezes when opening large ( >500 MB) saved sessions | Split files or upgrade to v3.x |

: Place a compatible 13.56 MHz tag on the reader surface. The LED will blink green, the buzzer will sound once, and the card's ID number will appear in the document. 4. Common Use Cases

For home automation enthusiasts, the R20XCUSB software driver enables the device to be used with Node-RED via the node-red-contrib-serialport node. You can create a dashboard to control your 20 relays from a tablet or integrate with MQTT and Alexa.