How the MIFARE Ultralight EV1 128-byte works
The MIFARE Ultralight EV1 128-byte is a 13.56 MHz high-frequency contactless credential read over the ISO/IEC 14443 air interface. The MIFARE Ultralight EV1 128-byte is genuine NXP; higher-memory disposable hotel cards silicon — data structure ISO 14443A; 7-byte UID; 128 bytes; 32-bit password + counters — the same chip platform the major lock, transit, hotel and payment systems specify.
We stock it as an encodable blank, supplied unprogrammed or pre-encoded to your specification, so your access-control system, card bureau or application writes it with your own data and keys — exactly as you would chips ordered through the NXP; higher-memory disposable hotel cards distribution channel, at a fraction of the price. There is nothing aftermarket about the chip itself; what we add is sourcing, encoding and bulk availability.
Whether you need a handful of spares or a bulk run for a facility, transit programme or NFC project, tell us the exact NXP; higher-memory disposable hotel cards chip and quantity and we confirm the part before production. Security ID Systems supplies genuine NXP; higher-memory disposable hotel cards silicon and is independent and not affiliated with NXP; higher-memory disposable hotel cards.
Also known as
UL EV1 128 · Ultralight EV1 128byte · MF0UL21 · M016
NXP; higher-memory disposable hotel cards and all other brand and product names are trademarks of their respective owners. Security ID Systems is an independent manufacturer and supplier of compatible access-control credentials and is not affiliated with, authorized by, sponsored by, or endorsed by these companies. Brand and format names are used only to identify the systems our products are compatible with. MIFARE and DESFire are registered trademarks of NXP B.V.