Tear shape

Standard key fob available for different frequency bands and in different colours.

OMNIKEY® 6121

PC/SC SIM card reader from HID Global.

PROTOS

High performance chip card operating system for security critical applications.

OMNIKEY® 3121

Standard desktop PC/SC reader for daily usage.

RFID media

Contactless media for 125 kHz and 13,56 MHz frequency bands.

JCOP and NDEF Applet

Wed, 12/28/2016 - 13:23 -- united-access

JCOP can be configured to act as a NFC type 4 tag e.g. by using this applet:https://github.com/slomo/ndef-javacard .

Basically this works and the Android app TagWriter from NXP recognizes NDEF data and performs the expected actions. It is, however, impossible to delete the record, write or overwrite data with TagWriter. It seems this is by design to enable only DESfire, NTAG and Ultralight tags for this operation. If you use any other tool (like e.g. from SpringCard: https://www.springcard.com/en/download/find/file/pcsc-sdk) it works without problems.  Strange ...