This reader can transmit the read card IDs of Proximity-EM-Marine cards via USB-port of the computer and output it into a program that makes the request. Works in keyboard emulation mode. Successfully scanned code is transmitted to the computer with the newline terminating character (emulates pressing of the Enter button).
The circuit of the EM-Marine cards is activated at the frequency of 125kHz. The proximity-card reader has a USB connector type USB-B, and status indication LED for depicting of reading success status.