Welcome to our store！</br>1、Product Information: RFID read write module is a highly integrated reader chip applied to 13.56MHz contactless communication. 2、Application: IC card read write module is a better choice for smart instrumentation and portable handheld devices. 3、Compatibility: Support standard for ISO, for IEC14443A protocol, support communication method is USB, UART TTL, RS232. 4、Excellent Features: Low voltage and small size, suitable for DIY production, PCB reliable material, safe and practical. 5、Stable and Reliable: Easy to use, stable and reliable work, the induction distance of the card read module is 0‑5 (cm). <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;RFID&nbsp;Read&nbsp;Write&nbsp;Module Material: PCB Applicable Card: IC card Induction Distance: 0-5 (cm) Operating Frequency: 13.56MHZ Reading Time: 0.2 (s) Supported Protocol: Standard for ISO/ for IEC14443A protocol Communication Mode: USB/ UART TTL/ RS232 <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Module Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>