USB Port 13.56MHz Mifare RFID Contactless Proximity Sensor Smart USB Magnetic 125KHZ Card Reader for Access Control System
ID: 42841

USB Port 13.56MHz Mifare RFID Contactless Proximity Sensor Smart USB Magnetic 125KHZ Card Reader for Access Control System

4.4 (29 votes) | 95 orders
US $ 13.26 - 18.53 / piece

USB Port 13.56MHz Mifare RFID Contactless Proximity Sensor Smart USB Magnetic 125KHZ Card Reader for Access Control System


1.Diagnostic Power LED,waterproof,great small compact design

2.Built in operating buzzer,Easy usage,plug and play

3.This is a card reader, card reader support. It does not support write.

4.Directly into the computer can use. You do not need to download the program.

5.USB card issuer implements the serial number of the card directly to a computer via the USB port, users do not load when using any driver, no external power supply, the card issuer is connected to the computer USB port, card indicator alternates red and green, until you hear even after the buzzer beeps twice, only the red light indicator shows, you can start card, credit card after the card number is displayed at the cursor location.

6.Support systems: operating system Windows 98 XP32 XP64 2000 Vista 32 Vista 64, Android

7.Operating frequency: 13.56MHz/125KHz

8.Support Card:M1, S50 and S70 143A protocol card 

9.Reading distance:  0-80MM

10.Working current: 100mA Indicator Lamp LED Indicator Lamp

11.Physical Dimensions: 105mm*70mm*12mm

12.Card format:

Optional 8H10D (before 10), 6H10D, 6H8D, 2H3D + 4H5D (after 8), 10H, 8H, 6H, 4H5D+4H5D,

Card reading time: < 100MS
Card reading speed: 0.2S
card reading distance: 0.5S
Communication Interface :USB Interface 
Power-on mode :USB power-on 
Working environment :temperature (-20 ~85 C) humidity (5%~95%) working voltage 5V
Built-in horn buzzer, controllable LED and buzzer
output format :10-bit 10-bit (other format consulting customer service)

  • Brand Name: LUCKING DOOR
  • Certification: None
  • Origin: CN(Origin)
  • Model Number: R20
  • Frequency: 125Khz/13.56Mhz
  • Interface: USB
  • Reading distance: 5-8cm


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Useck - Security & Protection (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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