Without more information about the R20XCUSB software, I was unable to:
Channel aggregation:
Since these devices are manufactured by various OEM suppliers, the configuration utility is often provided via a mini-CD or a download link from the seller. If you are missing the software, searching for or "ID/IC Card Reader Output Toggle Tool" usually yields the necessary .exe utility. Integration for Developers
| Feature | Details | | --------------------------- | ------------------------------------------------------------ | | Model | R20XC | | Frequency | 13.56 MHz | | Protocol | ISO/IEC 14443A (MIFARE S50/S70, NTAG, MF1) | | Reading Distance | 0–8 cm (up to 80 mm) | | Interface | USB (Plug & Play) | | Data Rate (Baud) | 9600 bps (raw serial communication mode) | | Power Supply | +5V DC via USB bus (max 70 mA) | | Supported Operating Systems | Windows XP/Vista/7/8/10/CE, Linux, Android (via USB OTG) | | Output Format | Keyboard emulation: card UID followed by Enter (CR) | r20xcusb software
: Host power fluctuations or automated USB driver stall.
Automating data entry into Microsoft Excel to track stock levels without manual typing.
Because the R20XC outputs UIDs in clear text and emulates a keyboard, certain security risks arise when using it in production environments. Without more information about the R20XCUSB software, I
Most R20XCUSB devices use a USB-to-serial chip (commonly CH340, CP2102, or FTDI). The software package includes the necessary drivers to emulate a standard COM port. Once installed, the device appears as COM3 , COM4 , etc., allowing legacy serial applications to control it via AT-style commands.
The software cannot find the vendor ID (VID) or product ID (PID) associated with the reader chip.
Locate the .exe file (e.g., R20XUSB.exe or Reader_Config.exe ). Automating data entry into Microsoft Excel to track
Use the R20XCUSB to scan tags directly into a Google Sheet or Excel spreadsheet.
The primary application is a grid of buttons representing 20 relays (usually labeled 1 through 20). Each button allows you to: