.5 Mifare 13.56M Writer supports the 2nd development with your own program, I can provide debug demo programmer by email. .4 Mifare card WRITER mode is USB 2.0 interface, Program Mifare Classic 1K/4K card sector data. ONLY Windows software is provided & it supports 1K/4K memory card only. .3 Mifare 13.56MHz RFID READER interface is HID USB, has 28 output formats, Configurable to simulate USB keyboard input or USB 2.0,supports Android Linux Windows iOs(OTG adapter is requested under Android). .2 Mifare card READER mode reads UID of 14443A Mifare card, include Mifare Classic,UltraLight,Mifare Plus, Mifare Desfire,Mifare N-TAG/card emulation. .1 Mifare card WRITER/Mifare Card UID READER simulate keyboard input/Mifare Card UID READER USB 2.0 communication; The Reader intergated 3 working modes, switched with config card.