🔑 Unlock Your Access Potential!
The CIFYCIFY 20pcs Changeable UID Smart Card is a versatile and secure solution for door access control, featuring a rewritable design that supports over 100,000 uses. Operating at a frequency of 13.56MHz, these cards are compatible with various systems and offer a unique encrypted ID for enhanced security. With a reading distance of up to 10cm, they ensure quick access while adhering to ISO/IEC 14443A standards.
| Manufacturer | CIFY |
| Part Number | CIFY-20 UID |
| Product Dimensions | 8.5 x 5.4 x 0.1 cm; 130 g |
| Manufacturer reference | CIFY-20 UID |
| Colour | White |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 130 g |
P**G
Poor Quality for Printing on
Product is cheaply made, rfid warps the plastic coating on the outside and 12 out of 20 were scratched alreadyNot good for full cover id card printing, chip worked fine on 18 of them, one locked blank 😳 the other just doesn't work at all!
D**M
UID not writable
Despite the claims in the listing, block 0 UID is not writable.You can only write 63/64 blocks
R**N
Not 2nd Gen with writable UID
This was sold as writable UID and is not. Mifare tool tells me it is not a 2nd Gen tag after it fails to change Block 0
I**R
It is not UID rewritable
I bought it primarily for the UID rewrite but it does not work with the 'MIFARE Classic Tool'.This is a Mifare classic indeed, but the block 0 is not rewritable therefore not as advertised.
M**Y
UID cannot be changed.
As you can see in the comparison, the UID is incorrect from the dump as such these do not allow UID change. or even let you write the UID.
A**B
Card lasted 2 days
Card lasted 2 day before not registering on any reader
T**M
Don't allow change to UID
Don't work as advertised. Won't allow writing to UID (sector 0). A similar pack of 100 cards advertised on Amazon work just fine.
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