---
product_id: 39603375
title: "YARONGTECH 4K RFID S70 Smart Card Chip 13.56MHZ IC Hotel Key Card (Pack of 10)"
brand: "yarongtech"
price: "₨389"
currency: SCR
in_stock: true
category: "Yarongtech"
url: https://www.desertcart.sc/products/39603375-yarongtech-4k-rfid-s70-smart-card-chip-13-56mhz-ic
store_origin: SC
region: Seychelles
---

# Unique, non-rewritable 4-byte UID 4K bytes read/write memory 13.56MHz wireless frequency YARONGTECH 4K RFID S70 Smart Card Chip 13.56MHZ IC Hotel Key Card (Pack of 10)

**Brand:** yarongtech
**Price:** ₨389
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of smart security with every swipe!

## Quick Answers

- **What is this?** YARONGTECH 4K RFID S70 Smart Card Chip 13.56MHZ IC Hotel Key Card (Pack of 10) by yarongtech
- **How much does it cost?** ₨389 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/39603375-yarongtech-4k-rfid-s70-smart-card-chip-13-56mhz-ic)

## 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

- • **Robust Memory Capacity:** 4K bytes of secure read/write memory for versatile data storage
- • **Plug & Play Convenience:** Individually OPP bag packed for easy distribution and professional use
- • **Seamless Access Control:** Operate effortlessly with ISO14443A standard RFID tech
- • **Unique Identity Guaranteed:** Each card features a factory-locked, non-changeable UID for maximum security
- • **Sleek & Customizable Design:** Credit card-sized, blank white PVC cards ready for sublimation printing

## Overview

This pack of 10 MIFARE Classic 4K RFID smart cards operates at 13.56MHz frequency, compliant with ISO14443A standards. Each credit card-sized PVC card features 4K bytes of read/write memory and a unique, factory-set 4-byte UID that cannot be altered, ensuring secure and reliable access control. Perfect for hotel key systems and professional security applications, these blank white cards are sublimation-printable and individually packaged for convenience.

## Description

1.MIFARE Classic 4K chip 2.13.56MHZ. 3.Credit card size. 4.PVC material. 5.Blank white card,printable by sublimation printer,but can't support inkjet printer. MIFARE and MIFARE Classic are trademarks of NXP B.V.

## Features

- RFID 4K Card operates at 13.56MHz wireless frequency,according to the ISO14443A standard,and contains 1K bytes of read/write memory,but UID can’t change,uid is not rewritable
- All cards are pre-programmed with a unique ID(4 Byte UID). The UID is NOT changeable, factory default key: FF FF FF FF FF FF
- They are credit card size,each card individually OPP bag packed. Blank white both sides(no printed numbers, no magnetic strips and no slots or holes)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01LYBKM0U |
| Best Sellers Rank | #172,086 in Office Products ( See Top 100 in Office Products ) #385 in Identification Badges #852 in Home Security Systems |
| Brand | YARONGTECH |
| Built-In Media | Bag |
| Cellular Technology | GSM |
| Customer Reviews | 3.9 3.9 out of 5 stars (51) |
| Global Trade Identification Number | 00725350790301 |
| Item Dimensions L x W | 3.37"L x 2.13"W |
| Manufacturer | YARONG |
| Mfr Part Number | MIFARE Classic® 4K wristbands |
| Model Number | MIFARE Classic® 4K wristbands |
| Number of Items | 10 |
| Service Provider | KABA, SAFLOK, MIWA, ONITY |
| UPC | 725350790301 725350789701 |
| Unit Count | 10 Count |

## Product Details

- **Brand:** YARONGTECH
- **Cellular Technology:** GSM
- **Product Dimensions:** 3.37"L x 2.13"W
- **Service Provider:** KABA, SAFLOK, MIWA, ONITY
- **Unit Count:** 10 Count

## Images

![YARONGTECH 4K RFID S70 Smart Card Chip 13.56MHZ IC Hotel Key Card (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/31Eic4vmt2L.jpg)

## Questions & Answers

**Q: What’s difference between mi fare 1k and 4K ? Can i use it to read & write as 1k card ?**
A: the difference is memory.
if you use mifare 1k cards,you can buy our MIFARE 1K Cards,it's cheaper.
but please note the UID can't change.

**Q: are these suitable as ving-compatible master cards?**
A: No it’s not

**Q: Can these be written to as nfc cards?**
A: sorry,no.
if you want to compatible with all nfc phone,please choose our ntag215 cards:
https://www.amazon.com/dp/B07LFDQBFC

**Q: can it be read by NFC smartphone?**
A: can read by some phone.but can't support all phone.

## Frequently Bought Together

- YARONGTECH MIFARE Classic® 4K RFID Smart Card NFC Chip 13.56MHZ IC Hotel Key Card (Pack of 10)
- YARONGTECH MIFARE Classic 1K RFID Smart Cards 13.56MHz ISO 14443A White Door Entry Hotel Key Cards Zebra Printable (White 10 Pack)

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**Shop now:** [https://www.desertcart.sc/products/39603375-yarongtech-4k-rfid-s70-smart-card-chip-13-56mhz-ic](https://www.desertcart.sc/products/39603375-yarongtech-4k-rfid-s70-smart-card-chip-13-56mhz-ic)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-08-24*