by s9800078 | Jun 18, 2024
Is it a better approach to use a larger reader antenna or a larger tag antenna—or is it not that simple? —Chris ——— Chris, Near Field Communication (NFC) is designed to be a short-range form of RFID. Originally, NFC built on the ISO 14443 standard for transactions....
by s9800078 | Jun 18, 2024
Which tag of this type offers the greatest amount of memory? —Ed (South Africa) ——— Ed, NXP Semiconductors offers a line of high-memory Near Field Communication (NFC) RFID chips (see NXP Releases New NFC Tag Chips for New Applications). The NTAG213 has 144 bytes of...
by s9800078 | Jun 18, 2024
If so, who makes such tags? —Urooj ——— Urooj, Farsens offers a battery-free ultrahigh-frequency (UHF) RFID tag with an LED for picking purposes. The LED does not stay on, but rather lights up when an interrogator reads the tag. You can view a video about the tag here....
by s9800078 | Jun 18, 2024
How could I get around sealed metal containers? —Lane ——— Lane, Radio frequency identification cannot pass through metal. In a passive RFID system, radio waves sent by a reader to power up a tag would bounce off metal and never reach the tag; thus, it would not be...
by s9800078 | Jun 18, 2024
Which would work better when placed inside a book cover for a library using desktop PAD-type readers? —Salim ——— Salim, ISO 14443A tags are designed for financial transactions. To protect against someone intercepting data sent from a tag to a reader, the read distance...