---
product_id: 73403200
title: "NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10)"
brand: "yarongtech"
price: "$20.95"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/73403200-nfc-fob-mifare-ultralight-ev1-13-56mhz-blue-key-pack
store_origin: US
region: United States of America
---

# ISO/IEC 14443-3 Pack of 10 48 bytes storage NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10)

**Brand:** yarongtech
**Price:** $20.95
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock the Future of Access Control!

## Quick Answers

- **What is this?** NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10) by yarongtech
- **How much does it cost?** $20.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/73403200-nfc-fob-mifare-ultralight-ev1-13-56mhz-blue-key-pack)

## Best For

- yarongtech enthusiasts

## Why This Product

- Trusted yarongtech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready to Go:** No batteries required—just grab and use!
- • **Unique Identity:** Each fob features a manufacturer programmed 7-byte UID.
- • **Compact & Convenient:** Lightweight design at just 3.2 ounces.
- • **Global Compatibility:** Works with ISO/IEC 14443-3 standards.
- • **Unlock Your Potential:** Seamless NFC technology for effortless access.

## Overview

The NFC Fob MIFARE Ultralight EV1 is a cutting-edge access solution, featuring 48 bytes of storage and a unique 7-byte UID for each fob. This pack of 10 is lightweight and designed for global compatibility, making it the perfect choice for modern access control needs.

## Description

NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10)

## Features

- Storage Size: 48 bytes
- Protocol: ISO/IEC 14443-3
- MIFARE Ultralight EV1 (MF0UL11)
- Manufacturer programmed 7-byte UID for each device

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | YARONGTECH |
| Part Number | Ultrablue-10 |
| Item Weight | 3.2 ounces |
| Package Dimensions | 4 x 3 x 0.5 inches |
| Country of Origin | China |
| Item model number | Ultrablue-10 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 10 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/51m2mSoD9DL.jpg)
![NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10) - Image 2](https://m.media-amazon.com/images/I/71MZUfLdo-L.jpg)
![NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10) - Image 3](https://m.media-amazon.com/images/I/61HckiQk7vL.jpg)
![NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10) - Image 4](https://m.media-amazon.com/images/I/51yywMw-K9L.jpg)

## Questions & Answers

**Q: How many bytes is the uid 4 or 7?**
A: 7 bytes
Thanks.

**Q: Do these have unlocked UIDs?**
A: Sorry,UID Can't change.
Thanks.

## Frequently Bought Together

- NFC Fob MIFARE Ultralight EV1 13.56mhz Blue Key (Pack of 10)
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**Shop now:** [https://www.desertcart.us/products/73403200-nfc-fob-mifare-ultralight-ev1-13-56mhz-blue-key-pack](https://www.desertcart.us/products/73403200-nfc-fob-mifare-ultralight-ev1-13-56mhz-blue-key-pack)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-19*