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Guangdong China (Mainland)
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1 Set New 125Khz 125 khz RFID Mini Module kit Kits For DIY ,freeshipping

US $12.55 / piece
Bulk Price
3% off (3 pieces or more)
Delivery: days (ships out within 6 business days)
piece (999 pieces available)
Purchases are limited to 999 pieces
Total Price:
Depends on the product properties you select
US $ (Approximately )

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Item specifics

Product Description

1 Set New 125Khz 125 khz RFID Mini Module kit Kits For DIY ,freeshipping 


 all tested good condition!
 we will surely give you a tracking number.
 package included: 1pc

 pls ask me if you want to buy more, i can give you a bigger discount.


This module is very sensitive to the noise on power line, so you must use linear regulator.


125KHz card mini-module is designed for reading code from 125KHz/ 134.2KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.

It is compatible with ID cards of 64 bit read-only EM4100, TK4100, and EM4102 series. This module outputs original card information (Manchester code) and ascii codes which can be directly displayed on the computer. Code form: Manufacturers code + ID card number + parity bits. It can be directly connected to Pin 2 of the computer serial port (COM). Antenna and the module has been adjusted to the best condition, with long reader distance. With CBB capacitors, it has anti-interference to temperature change.

Parameters :

    * Voltage: 3 - 5V DC
    * Current: <50mA
    * Output format: Baud rate 9600, Data bits 8, stop bit 1
    * Manchester code output:
      ___ 1; ____
      | ___; ___ | 0
    * Reading Distance: key card> 5cm, thin card> 9cm, thick card> 11cm, with no blind spots
    * Operation temperature: 0 ~ 70 degrees Celsius
    * Size: 38mm * 20mm

Pin definition :

   1 * VCC: +5 V power supply
   2*  TX: TX output. Baud rate: 9600, Data bits: 8, stop bit: 1

3*  PC: TX output to computer serial port. Directly connected to Pin2 of the computer COM.
       Note: already embeded with voltage level conversion circuit.
   4 * L2: antenna
   5*  L1: antenna
   6*  GND: GND
   7 * Mcst: Manchester code output
   8 * Rest: reset pin, low effective.
   9 * D1: card available signal. When a card is detected this pin is high. After 6ms, TX outputs  
        data.  Then it becomes low after TX output finished
   10* D2: vacant
   11* D3: vacant

Package included :

   1. RFID reader module x1
   2. Coil antenna x1
   3. Thick ID card x1
   4. Thin ID card x1
   5. Key ID card x1



Dear buyers:
Welcome to my store!  Thanks!   To each transaction, your satisfy is our aim.
If you are satisfy with us,pls leave five star positive feeback for me.
If you are not satisfied,Please don't leave a neutral or negative but contact us First, we will try our best to help you.



1.We accept payment that aliexpress can accept, We apologize that we cannot accept other payment methods, such as cheque or postal orders .
2.All major credit cards are accepted,and we received  it in 24 hours
3.Payment must be received within 10 business days of auction closing


1. We ship to worldwide,per order have a track number
2.Primary competitive advantage:Asia/Sonth America/Eastern Europe/Mid East/Africa/Western Europe,and so on
3.Before buying,please make sure your aliexpress and alibaba address is correct.Or not,please correct it before payment.
4.If goods less than 1.5Kg,we ship by  China Post Air Mail or by HK Post Air Mail 
5.Ship to worldwide within 12-24 hours after payment completed received,arrive at most destinations
All orders will be shipped via the International Airmail service unless specially agreed by seller.

Warranty and Return:                                                                            

1).12months Warranty for defective items (excluding items damaged and/or misused after receipt). Buy with confidence
2).Refund or replacement request is available only the requests within 1 week after parcel received  returning the item as the same condition as received.
3.Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned
must contain all original packaging materials.
4.Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the
event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable.
5.Return shipping is to be paid by the Buyer.


                                                                                                 Yours sincerely



Packaging Details

Unit Type:
Package Weight:
0.150kg (0.33lb.)
Package Size:
10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)


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Packaging Details

Unit Type:
Package Weight:
0.150kg (0.33lb.)
Package Size:
10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)


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