Monthly Archives: April 2024

ZipNFC White PVC 25mm REVERSE anti-metal Round tags using the latest NXP® NTAG213 chip and a protective anti-metal layer

Typical anti-metal stickers have a sticky ferrite layer that is expected to be placed or stuck on metal surfaces and the other side will be tapped on by the mobile or reading device. REVERSE anti-metal NFC stickers would normally be placed inside cases where the antenna is place against a plastic surface and the anti-metal protection is provided against metal or electrical circuits in side. Other uses might be where you have a poster in a metal case and you would place the sticky side on the back of the poster where the tag will get tapped, but the back is against the metal casing and is protected.

They are basially the same, but the layers are structured differently. Pease see the pictures of the layers.

Which NFC Reader / Writer do I need?

ZipNFC only sell the ACS reader writers due to them being the best quality and most reliable reader / writers on the market.  There are also many resources available on the web to help you build applications for these in all languages.  We have 3 types available from stock and below we explain the differences and how they can be used.

We have two that can be used for reading and writing NFC tags (ACR1252U and ACR1255U-J1) and one that can be used for reading the UID of the chip (ACR1281U-C2).

ACR1281U-C2

The ACR1281U-C2 is interesting as a common use of NFC tags / stickers is to purely use the UID that comes