博文

目前显示的是 七月, 2023的博文

What Is RFID VS NFC Card?

1. RFID vs NFC Card:  What You Need to Know RFID and NFC are two wireless technologies that are often used for identification, communication and data transfer. But what are the differences between them and how do they work? In this blog post, we will explain the basics of RFID and NFC, their similarities and differences, and their applications and benefits. 2. What is RFID? RFID stands for Radio Frequency Identification and is a wireless, non-contact based technology that uses electromagnetic fields to automatically identify and track tags. These tags are often either attached to an object (e.g. vehicles, equipment, etc.) or implemented in an access card often used in personnel access control solutions. RFID tags can be passive or active. Passive tags do not have a battery and rely on the reader's signal to power up and send back data. Active tags have a battery and can transmit data to a passive reader. Passive tags are cheaper, smaller and more durable than active tags, but hav

What Kind Of Cards Are RFID?

RFID is an identification technology that uses chips embedded in cards to store and transmit data. RFID cards are widely used for various purposes, such as identification, access control, inventory tracking, and so on. Some examples of RFID cards that we see in our daily life are credit bank cards , national ID cards , hotel key cards , ticketing cards , etc. RFID cards make life faster, more convenient, and more secure. 1. How RFID Cards Work RFID cards work by using radio waves to communicate. RFID cards consist of two parts: a chip and an antenna. The chip is responsible for storing and processing data, and the antenna is responsible for receiving and sending radio waves. When an RFID card is near a device called a reader, the reader sends out a radio signal that activates the chip on the card. The chip responds with a radio signal containing data, and the reader receives and decodes this signal, thus achieving data exchange. 2. Advantages of RFID Cards RFID cards have many advant