R20C USB Reader IC 13.56 MHz proximity similar to a mouse and keyboard.

R20C  it works as an emulator, similar to a mouse and keyboard and read all type of card IC 13.56 MHz , can read 8,10,12 digit . read on Excel sheet 
Features

RFID 13.56 IC , ID UID 
R20C (HF-IC Reader)
USB  interface
No external power source needed
No  need USB driver installation
Built-in LED and buzzer
Built-in transceiver antenna
Read distance :  IOS card (~2-2.2 cm)
Reader size : about (105x70x10) mm
 it works as an emulator, similar to a mouse and keyboard.