Pack of 50 - MIFARE DESFire EV3 4K keyfob - green

Pack of 50 - MIFARE DESFire EV3 4K keyfob - green
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Stock availability on SmartcardFocus

Coming soon - We are arranging supplies of this product. You will not be able to order just yet. Check back soon, or contact us to find out more about timescales.
In stock - This product is on the shelf in our UK warehouse and ready for use. If you place an order you can expect immediate dispatch. Depending on courier, delivery is typically next day in the UK, or 3-5 days in the US.
In stock* - This product is on the shelf in our UK warehouse, but requires some configuration or assembly before dispatch, which can add a day or two to delivery times, depending on product and order quantities.
Low stock - This product is on the shelf in our UK warehouse. If your order quantity is small you will not notice any difference from 'in stock' product. If you are ordering larger quantities, there could be delays while we wait for additional stock to arrive. Contact us to discuss options for part delivery.
Stock on the way - This product is usually on the shelf in our UK warehouse, but we have sold out and are waiting for new stock to arrive. You can still order but delivery will be slower than usual. Contact us to find out more about timescales.
Ordered on demand - We have a regular supplier but will only order when an order is placed with us and can then advise on delivery timescales. Please note that 'Ordered on demand' items are not returnable.
Contact us - There are currently supply issues with this product. You will not be able to order the product. Contact us to find out more about the nature of any issues and for advice on alternatives.
Not available - There are no plans to restock this item, it will shortly be removed from the site.
£ 122.00
(£ 146.40 inc VAT)
Units
Per Unit
1+
£ 122.00
250+
Contact us
Prices shown are per unit, excluding VAT and delivery.
Please contact us for volume and reseller pricing.
A green 45mm x 30mm x 2.2mm keyfob containing a MIFARE DESFire EV3 4K chip. This extremely durable, 100% waterproof thin keyfob is designed to be attached directly to a keyring. A useful alternative for contactless systems, it operates at 13.56 MHz wireless frequency, according to the ISO 14443A standard with the transport protocol complying to the ISO 14443-4 standard.

The MIFARE DESFire EV3 4K keyfob contains 4K bytes of non-volatile memory, a high speed triple-DES data encryption co-processor, a flexible memory organization structure, a mutual 3-pass authentication technique together with a true random number generator and an anti-tear mechanism to guarantee data integrity during contactless transactions. Transaction timer to prevent man-in-the-middle attacks.

MIFARE DESFire keyfobs typically operate at a distance of up to 10cm depending on the power provided by the reader.

This keyfob is NFC forum type 4 compliant.

Sold in packs of 50.

MIFARE DESFire EV3 4K keyfob tag



Memory


EEPROM size: 4096 bytes
Write-endurance: 500 000 cycles
Data retention: 25 years
Organisation: flexible file system

RF-Interface


Contactless interface standard: ISO 14443A (1-4 levels)
Contactless operating frequency: 13.56 MHz
Contactless read/write speed: Up to 848kbit/s
Anticollision: bit-wise
Contactless operating distance: Up to 100mm

Security


Unique Serial Number: 7 bytes, cascaded
Random Number Generator: Yes
Access keys: 14 keys per application
Multiple key sets: Up to 16 per application
Access conditions: per file
DES & DES3 security: MACing / Encipherment
AES security: MACing / Encipherment
Anti-tear supported by chip: yes
Proximity check: yes
Transaction timer: yes
CC certification: EAL 5+

Special Features


Multi-application : Unlimited applications, MIsmartApp
Purse functionality: Value file
Transaction MAC: Per application
Virtual Card Architecture: PICC & application level

Warranty: 1 year manufacturer's warranty

Country of origin: Taiwan
HSF code: 8523520000

Manufacturer: NXP



DESFire 4k EV3 keyfob tag Product Briefing

DESF4_EV3_keyfob_tagx50_product_briefing.pdf
Download everything you have read here on SmartcardFocus about the DESFire 4k EV3 keyfob tag.
download


DESFire 4k EV3 Datasheet

Datasheet_MF3D_H_X3_SDS_Jan24.pdf
Short Datasheet v3.1 for the DESFire 4k EV3 from NXP.
download
×

Stock availability on SmartcardFocus

Coming soon - We are arranging supplies of this product. You will not be able to order just yet. Check back soon, or contact us to find out more about timescales.
In stock - This product is on the shelf in our UK warehouse and ready for use. If you place an order you can expect immediate dispatch. Depending on courier, delivery is typically next day in the UK, or 3-5 days in the US.
In stock* - This product is on the shelf in our UK warehouse, but requires some configuration or assembly before dispatch, which can add a day or two to delivery times, depending on product and order quantities.
Low stock - This product is on the shelf in our UK warehouse. If your order quantity is small you will not notice any difference from 'in stock' product. If you are ordering larger quantities, there could be delays while we wait for additional stock to arrive. Contact us to discuss options for part delivery.
Stock on the way - This product is usually on the shelf in our UK warehouse, but we have sold out and are waiting for new stock to arrive. You can still order but delivery will be slower than usual. Contact us to find out more about timescales.
Ordered on demand - We have a regular supplier but will only order when an order is placed with us and can then advise on delivery timescales. Please note that 'Ordered on demand' items are not returnable.
Contact us - There are currently supply issues with this product. You will not be able to order the product. Contact us to find out more about the nature of any issues and for advice on alternatives.
Not available - There are no plans to restock this item, it will shortly be removed from the site.
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