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Keycard systems operate by physically moving detainers in the locking mechanism with the insertion of the card, by shining LEDs through a pattern of holes in the card and detecting the result, by swiping or inserting a magnetic stripe card, or in the case of RFID or NFC cards, merely being brought into close proximity to a sensor.
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter.
A passive proximity card for door access. A proximity card controlled turnstile A passive proximity card with the plastic casing opened to show components: antenna coil and integrated circuit (black object bottom center) Anatomy of proximity card: coil and IC The proximity card coil of an electronic fare collection system
She informs Cliff that there is a secret lab on the island, which may have a cure for the zombie outbreak. Speaking to Cliff over the radio, Xian Mei guides him to collecting 3 keycards needed to access the lab. While exploring the island, Cliff begins to experience hallucinations which increase in frequency and intensity as the game progresses.
NFC-enabled devices can act as electronic identity documents found in passports and ID cards, and keycards for the use in fare cards, transit passes, login cards, car keys and access badges. [2] NFC's short range and encryption support make it more suitable than less private RFID systems.
Ventra cards used in bus and trains; MIFARE cards (partial or full implementation, depending on product); Biometric passports; EMV payment cards (PayPass, Visa payWave, ExpressPay)
Yuchen Jin, a China-native who is cofounder and chief technology officer of AI startup Hyperbolic Labs, was surprised to learn that the federal government rejected his green card application, ...
A Radio-frequency identification card used to open a door.. A security token is a peripheral device used to gain access to an electronically restricted resource. The token is used in addition to, or in place of, a password. [1]