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NFC คืออะไร มีประโยชน์ ใช้งานอย่างไรบ้าง?

by Varinthorn Uvimolchai 23 Oct 2025

เทคโนโลยี NFC คืออะไร?

NFC คือการสื่อสารไร้สายระยะใกล้ (Short-Range Wireless Technology) โดยสามารถใช้ส่งข้อมูลได้ในระยะไม่เกิน 4 เซนติเมตรเท่านั้น มีความเร็วในการรับส่งข้อมูลสูงสุด 424 กิโลบิตต่อวินาที และมีความเร็วในการรับส่งข้อมูลต่ำกว่า 0.1 วินาที นอกจากนี้ NFC ใช้ยังพลังงานที่น้อยมาก เหมาะกับการนำมาใช้งานสำหรับส่งข้อมูลในปริมาณน้อย ๆ เพื่อการสื่อสารระหว่างอุปกรณ์อิเล็กทรอนิกส์ในระยะใกล้

NFC ใช้ทำอะไรได้บ้าง? 

เทคโนโลยี NFC ถูกนำมาประยุกต์ใช้งานอย่างหลากหลาย เพื่อเพิ่มความสะดวก รวดเร็วให้กับผู้ใช้งาน โดยส่วนใหญ่ NFC ถูกนำไปใช้งาน ดังนี้ 

  1. ใช้จ่ายเงินแบบไร้สัมผัส หรือ Contactless Payment ซึ่งการจ่ายแบบนี้ เพียงแค่นำโทรศัพท์มือถือ หรือบัตรเดบิตไปแตะกับเครื่องจ่ายเงิน ก็สามารถจ่ายเงินได้ในทันที ไม่ต้องเข้าแอปพลิเคชั่น หรือใส่รหัสให้ยุ่งยาก เช่น การจ่ายค่าโดยสารรถไฟฟ้า, ร้านอาหาร, ห้างสรรพสินค้า เป็นต้น ช่วยให้สะดวก รวดเร็วมากยิ่งขึ้น
  2. ใช้เชื่อมต่ออุปกรณ์ ทำให้การจับคู่อุปกรณ์เป็นเรื่องที่ง่ายขึ้น ซึ่งอดีตการจับคู่อุปกรณ์ผ่านบลูทูธ (Bluetooth) เป็นขั้นตอนที่ค่อนข้างยุ่งยาก แต่ถ้าหากอุปกรณ์ของคุณมีเทนโนโลยี NFC เพียงแค่นำโทรศัพท์แตะกับโทรศัพท์ หรือนำโทรศัพท์แตะกับลำโพง ก็ทำให้การเชื่อมต่ออุปกรณ์เป็นเรื่องที่ง่ายขึ้นมาก ๆ  
  3. ใช้ส่งข้อมูล ถ้าหากคุณต้องการส่งข้อมูลหน้าเว็บไซต์ในโทรศัพทไปยังอีกเครื่อง คุณก็สามารถใช้โทรศัพท์แต่กันได้เลย และเทคโนโลยี NFC ยังถูกนำไปใช้งานใน SMART LABEL หรือฉลากอัจฉริยะ โดยคุณเพียงแค่นำโทรศัพท์ของคุณไปแตะกับ SMART LABEL ก็จะทำให้คุณได้รับข้อมูลจากฉลากนั้นในทันที  หรือนำเทคโนโลยี NFC มาประยุกต์ใช้กับนามบัตร (Business Cards) ก็จะช่วยทำให้พาร์ทเนอร์ หรือลูกค้า ทราบข้อมูลของบริษัทคุณได้อย่างรวดเร็วมากยิ่งขึ้น 
  4. ใช้เพื่อรักษาความปลอดภัย บริษัทหลาย ๆ ที่นำเทคโนโลยี NFC ไปใช้เพื่อรักษาความปลอดภัย เช่น การนำเทคโนโลยี NFC ไปประยุกต์ใช้กับบัตรคีย์การ์ด (Secure Keycards) ในการเข้า-ออกสถานที่ต่าง ๆ 

เทคโนโลยี NFC กับความปลอดภัย 

เทคโนโลยี NFC ไม่มีระบบการยืนยันตัวตน เพราะต้องการส่งข้อมูลได้อย่างรวดเร็ว แต่เนื่องจากการใช้เทคโนโลยี NFC ต้องอยู่ใกล้กันมาก ๆ จึงไม่ใช่เรื่องง่ายที่จะถูกใช้เป็นเครื่องมือสำหรับผู้ประสงค์ร้าย และนอกจากนี้ NFC ยังถูกนำไปใช้งานในบัตรเดบิต บัตรเครดิต จึงทำให้เรามั่นใจได้ในระดับหนึ่งว่าจะไม่ถูกโจรกรรมข้อมูลได้แบบง่าย ๆ

ข้อแนะนำในการใช้เทคโนโลยี NFC 

  1. ไม่ควรนำโทรศัพท์ไปแตะกับอุปกรณ์ หรือตัวรับสัญญาณที่น่าสงสัย 
  2. ก่อนแตะโทรศัพท์บนอุปกรณ์ ตรวจสอบให้ชัดเจนว่าไม่มีอุปกรณ์แปลกปลอมติดตั้ง  
  3. ควรกำหนดรหัสผ่านในโทรศัพท์ เพื่อป้องกันผู้ไม่หวังดีนำข้อมูลไปใช้ 
  4. เมื่อใช้งานเสร็จแล้ว ควรปิดการเชื่อมต่อ NFC ทุกครั้ง

NFC เทคโนโลยีการสื่อสารระยะใกล้ ที่มีมายาวนานแล้ว และปัจจุบันเทคโนโลยี NFC กำลังเป็นที่นิยมมากขึ้น ใครที่ได้อ่านบทความนี้ไม่มีตกเทรนด์แน่นอน! 

และเตรียมพบกับฉลากอัจฉริยะ (SMART LABEL) จาก THAI KK TECH เร็วๆ นี้ รับรองว่าจะมาเป็นตัวช่วยในการใช้ชีวิตของคุณให้ง่ายขึ้น สะดวก รวดเร็ว ทันใจ ตอบโจทย์คนยุคใหม่

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29/1 หมู่ที่ 5 ซอยธรรมศิริ

ถนนเทพรัตน ตำบลบางเสาธง

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Terms and conditions of use of this website Hereinafter referred to as the “Terms”, first entered into force on March 15, 2021, details are as follows:

1) DEFINITIONS The parties referred to in this Agreement shall be defined as follows:

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a) You further agree not to use the Website or Services:

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i) FORCE MAJEURE: The Company is not liable for any failure to perform due to causes beyond its reasonable control including, but not limited to, acts of God, acts of civil authorities, acts of military authorities, riots, embargoes, acts of nature and natural disasters, and other acts which may be due to unforeseen circumstances.

j) ELECTRONIC COMMUNICATIONS PERMITTED: Electronic communications are permitted to both Parties under this Agreement, including e-mail or fax. For any questions or concerns, please email Us at the following address: e-commerce@thaikk.co.th.

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