أخبار حلول نظام المراقبة والأمن MCCTV من CCTUNG — NFC

The key distinction between RFID and NFC lies in their transmission ranges — the former is often used over longer distances. For example, some regions automatically collect road tolls through RFID. Tags are usually affixed to vehicle windshields, allowing you to drive past toll booths at low speeds. Communication can take place over even longer distances (think a hundred feet or more) if the RFID tag is equipped with a power source. NFC, however, only has a maximum range of a few centimeters, at most. And in most smartphone-related applications, you’ll find that the software will only initiate communication if...

Most smartphones have Near Field Communication, or NFC technology, built in these days. If you’ve ever used a mobile payments app like Samsung Pay or Google Pay, you already know how NFC works. In a nutshell, it is a proximity-based wireless communication standard. Unlike Wi-Fi or Bluetooth, however, NFC interaction is limited to an extremely short range. Besides smartphones, you can sometimes find NFC on tablets, speakers, collectibles, and even gaming consoles like the Nintendo Switch and 3DS. Even though NFC may seem a bit lackluster on paper because of its short wireless range, it’s still a convenient feature that many of us...