Reader is a bus-powered USB 2.0 full-speed device with micro-USB connector. The device dimensions are 10.3x6.8x1.1cm.
Indication: a green LED (optional) and a buzzer.
Available firmware types include:
HID (emulates a keyboard) - out-of-the-box OS support. No driver installation on Microsoft Windows, Apple macOS and Linux;
CDC/ACM (virtual serial port) - works out of the box in Microsoft Windows 8 and 10, Apple macOS and Linux, a driver for Microsoft Windows 7 (32 bit and 64 bit) is available.
Composite HID + CDC/ACM (identifies itself as a composite USB devcie) - emulates a keboard (HID) and provides an API via a virtual serial port (CDC/ACM).
UART via RS485 (supports the same command set as the CDC variant, embedded in a binary serial protocol)
MODBUS over RS485 (supports the same command set as the CDC variant, embedded in a MODBUS RTU protocol)
Optionally supports 125kHz EM41xx compatible tags and 13.56 MHz RFID MIFARE tags (Classic 1K/4K/Mini, Ultralight, NTAG, Plus)
Extensible and future-proof design: the device firmware can be easily changed or updated using the built-in HID USB or Mass-Storage Bootloader.
Hardware revisions of the device and their differences are described in the Revisions section