RFID NFC Lego compatible platform piece

RFID/NFC Chip is put inside while printig.
Works very well.
Standard Legoheight: 3.2mm

Programming: We use NXP and Feig Readers
www.feig.de
The antenna is (picture 3) directly under the black plate and the reader is on the right on the computer keyboard.

Chips: NTAG203(F) Bullseye - NXP, Smartrac
http://buynfctags.com/smartrac-bullseye-ntag203-white-wet-nfc-inlay/