RFID and its application

1. Advantages

1.1. Effective

1.2. Contactless technology

1.3. Data stored can be changed

1.4. Hold more data

2. RFID

2.1. Background

2.2. Principle

2.3. Components

2.4. Types

2.4.1. Active

2.4.2. Passive

2.4.3. Semi-passive