MIFARE DESFire EV1 4K keyfob - thin, green


MIFARE DESFire EV1 4K keyfob - thin, green
Availability: In stock
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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.
Waiting for stock – 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.
£    2.73
(£    3.28 inc VAT)
Units
Per Unit
1+
£    2.73
10+
£    2.59
100+
£    2.48
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 EV1 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 EV1 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.

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.

MIFARE DESFire cards & tags



Technical Specifications:
Product FeaturesMIFARE DESFire 4kMIFARE DESFire 8k
Memory
EEPROM size [byte]40968192
Write Endurance [cycles]500 000500 000
Data Retention [yrs]1010
Organizationflexible file systemflexible file system
RF-Interface
Acc. to ISO 14443Ayes - up to layer 4yes - up to layer 4
Frequency [MHz]13.5613.56
Baudrate [kbit/s]106 … 848106 … 848
Anticollisionbit-wisebit-wise
Operating Distance [mm]up to 100up to 100
Security
Unique Serial Number [byte]7, cascaded7, cascaded
Random Number Generatoryesyes
Access Keys14 keys per application14 keys per application
Access Conditionsper fileper file
DES & DES3 SecurityMACing / EnciphermentMACing / Encipherment
AES SecurityMACing / EnciphermentMACing / Encipherment
Anti-tear supported by chipyesyes
Special Features
Multi-application28 applications, MAD328 applications, MAD3
Purse FunctionalityValue fileValue file
Secure Transport Transaction512 byte read, 128 byte write512 byte read, 128 byte write
Transaction Time [ms]8989


Typical applications include:
  • Transport
  • Access control
  • Loyalty
  • Internet applications
A picture of the MIFARE DESFire EV 4k thin keyfob is shown below.

Manufacturer: NXP

MIFARE DESFire cards & tags
×

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.
Waiting for stock – 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.
×

Bulk pricing on SmartcardFocus

Volume discounts may be available, please click on the product for further information and detailed pricing information.
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