Choose Sinohome Not only practical, but also beautiful! Carry your cards and cash easily with a Sinohome card holder Features: Type: 1. With ID window 2. Without ID window Color: 1. Black 2. Coffee 3. Rose-carmine Material: Genuine leather Dimension: 4.3 " x 3.15" x 0.59" (11cm x 8cm x 1.5cm) Any issue with it, just feel free to contact us ! We will solve your problem within 24 hours. Click Add to Cart and get your Sinohome card holder now! What is RFID? Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information. Passive tags collect energy from a nearby RFID reader's interrogating radio waves. Active tags have a local power source such as a battery and may operate at hundreds of meters from the RFID reader. Unlike a barcode, the tag need not be within the line of sight of the reader, so it may be embedded in the tracked object. RFID is one method for Automatic Identification and Data Capture (AIDC). Since RFID tags can be attached to cash, clothing, and possessions, or implanted in animals and people, the possibility of reading personally-linked information without consent has raised serious privacy concerns.(From WIKIPEDIA)
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