Sep. 29th to Oct. 6th is Chinese National Day Holiday. Products and PCBA orders during this period will be scheduled for shipment starting Oct. 7th.
Thank you for your understanding and continued support.
This is a MiFare Classic keychain fob - often used for electronic locks or customer identification. The tag contains a NXP S50 chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. Can be used with NFC Shield.