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    What is the Distance/Range of RFID Tags?
    RFID reading distance depends on several factors including:
    • Size of the tag’s antenna
    • Tag chip
    • Tags orientation in the reader field
    • Strength of the reader field
    • Environmental factors like metal, water or other material around the tag
    • LF, HF and UHF near-field tags typically have a reading distance of ~1 ft (30 cm).
    • UHF far-field tags typically have a reading distance of several m/ft but are strongly dependent on the environment.
    • NFC Tags (HF) are designed for near-field communication with a smartphone or similar device and typically have a reading distance of ~1 in (2 cm).
    RFID Tag Uses
    RFID tags are typically used to uniquely identify the item to which they are attached or embedded. The use cases are extremely diverse, supporting anything that is a physical object. The common denominator of all RFID tag use cases are:
    • Improved inventory speed and accuracy
    • No human error
    • Optimized logistics workflow of handling an item
    • Contactless payment
    • Access control
    Where are RFID Tags Used and Who Uses Them?
    RFID tags are used whenever a physical object needs to be uniquely identified in a quick and reliable way. Applications are very broad and are constantly expanding. Some main areas of RFID tag use today are:
    • Animal identification (pets, livestock, lab animals)
    • Contactless access control systems
    • Contactless payments
    • Electronic passports and citizen ID cards
    • Retail logistics
    • Automation & manufacturing
    • Returnable transport Items
    • Commercial laundry
    • Medical and health equipment
    • Waste management
    What are NFC Tags?
    NFC (Near Field Communication) tags are passive, high-frequency (HF) RFID tags that contain a NFC Data Exchange Format (NDEF) compliant data structure as defined by the NFC Forum. NDEF data, like a URL or contact, is understood by any NFC compliant reader device, such as a mobile phone, without requiring an extra API. See the white paper The Power of Choice: From Standard NFC to Secure Solutions for more detailed information.
    NFC Tag Uses
    • NFC tags are often used as a convenient replacement of a QR code, and simply host a URL that is opened when the tag is tapped with an NFC phone.
    • NFC tags may also host other information such as contacts, images, actions or phone numbers.
    • Public transport tickets may be NFC tags.
    • Secure NFC tags like the HID Trusted Tag open up new proof-of-presence use cases for guard tours, electronic visit verification, or service records.
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