Are these block 0 writable?

I purchased the 20 pack, and the ones I received were block 0 writeable. I have had no difficulties writing and rewriting these using Mifare and the ACR122U writer.

Are they compatible with isonas rc-04 ad r-1?

It depend on the working frequency of your device, this card is 13.56MHz writable UID card.

Are these compatible with Android phones?

Yes, if your smart phone support RFID or NFC function.

Do these cards have their ID number printed on each card?

no, this card is 13.6mhz writable blank card, no number inside by default, it can be write into data and this number is changeable.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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LEXI 13.56MHz RFID UID Smart Writable and Rewrite Card Read and Rewrite Copy Smart PVC Blank Card for Door Access Control System (100 Pieces UID)

Product ID: 516679959

📡13.56MHz frequency for universal compatibility

🔄100,000+ read/write cycles for durability

🛡️Waterproof PVC material for rugged use

Description

🔐 Unlock smarter access with LEXI’s rewrite-ready RFID cards!

BULK PACK ADVANTAGE - 100 smart writable cards to scale your access control effortlessly
ENDLESS REUSABILITY - Supports over 100,000 read/write cycles to future-proof your security
ROBUST WATERPROOF - Durable PVC build designed to withstand harsh environments
WIDE APPLICATION SPECTRUM - Perfect for apartments, offices, parks, and more—secure every space
UNIVERSAL 13 56 M HZ COMPATIBILITY - Seamlessly integrates with all standard door access systems

The LEXI 13.56MHz RFID UID Smart Writable and Rewrite Card pack offers 100 high-quality PVC cards designed for seamless integration with all door access control systems. Each card supports over 100,000 read/write cycles, operates reliably within a 0-10cm reading range, and is waterproof for versatile use across apartments, offices, and public spaces. Ideal for professionals seeking scalable, durable, and rewritable access solutions.

Specifications

ASIN	B0895Y7S3M
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	417,344 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 881 in Medical RFID Supplies
Colour	White
Customer Reviews	2.7 2.7 out of 5 stars (15)
Date First Available	26 May 2020
Guaranteed software updates until	unknown
Item Package Quantity	1
Item Weight	572 g
Item model number	IC
Manufacturer	LEXI
Material	PVC (Polyvinyl Chloride)
Part number	IC
Product Dimensions	8.5 x 5.4 x 0.18 cm; 572 g
Style	100 pieces UID

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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