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NFC Keyfob, 40 x 32 mm, MIFARE DESFire EV1 4K, black
You are looking for the ideal keyfob for security applications? The NXP DESFire EV1 4K keyfob encrypts all stored data securely and also allows you to store more than just one application on the built-in NFC chip. Thus, the keyfob is well suited for intelligent lock systems, access control, recording of working times, contactless payment or public transport ticketing systems. The chipset of this keyfob functions well with all common NFC-enabled smartphones.
The black NFC Keyfob is made of ABS, so it is very robust and fully waterproof. The keyfob has a length of 40 mm, a width of 32 mm and a thickness of 4.3 mm overall. Additionally, the keyfob has a ring out of metal, so it can be attached at a key ring. The NFC microchip is integrated inside the product.
Features & functions
The keyfob contains the DESFire EV1 4K chip, which has a memory capacity of 4096 byte and can be encoded up to 500,000 times. Accoring to manufacturer NXP, data on this chip is stored at least for 10 years. Additionally, the chip has a 7 byte UID. Further information about this chip and other NFC chip types you can find here. We also provide you with a download of the technical documentation by NXP.
These are a few examples for possible applications of the keyfob.
- Control access indoors and outdoors
- Record working times (e.g. on construction sites)
- smart ticketing systems for public transport
- contactless payment systems
A detailed overview about all possible NFC applications you can find here.
We offer this product in two colours. Besides this product, our NFC Keyfob with MIFARE DESFire EV1 4K chip can also be obtained in blue. Alternatively we offer this product with MIFARE DESFire EV1 2K chip, which provides less memory capacity. The keyfobs with 2K chip are also available in black and blue.
Here you can find a selection of apps, which are suitable for encoding this product.