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Near-field communication - Wikipedia
Modified Miller, 100% ASK
Man, 10% ASK
NFC employs two different codings to transfer data. If an active device transfers data at 106 kbit/s, a modified Miller coding with 100% modulation is used. In all other cases Manchester coding is used with a modulation ratio of 10%.
NFC devices are full-duplex--they are able to receive and transmit data at the same time. Thus, they can check for potential...
Date: 2019-03-30 18:53:51
Website:
https://en.wikipedia.org
Related topics : tag rfid nfc / nfc rfid card reader / credit card rfid nfc / passive rfid tag data format / rfid based smart card security system
IDENTEC SOLUTIONS - Wireless Safety and Security ...
IDENTEC SOLUTIONS delivers innovative wireless solutions to improve safety, productivity and efficiency in harsh marine and underground environments. Committed to developing industry-leading, low-power and long-range sensor-based solutions, IDENTEC SOLUTIONS has been setting the industry standard since 1999.
Deployed on every continent, IDENTEC SOLUTIONS' patented technology is helping to...
Website:
http://www.mining-technology.com
Related topics : active rfid tag in real time location system / identec solutions rfid tag / identec solutions rfid / asset tracking solutions using rfid / rfid based asset tracking solution
ALFI - Your RFID
Alfi provides next-generation solutions for ticketing and access control designed for the most diverse applications: ski resorts, sports centers, swimming pools, recreation centers, parks, gyms, trade shows, museums. Years of industry experience and continuous technological innovation have allowed Alfi to develop innovative solutions, but at the same time easy to use. Alfi solutions are also...
Website:
http://www.alfi.it
Related topics : privacy protection for rfid data / rfid based security and access control system / rfid solution providers
VAX Access Control Hardware | Vicon
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VAX-LRT2 and VAX-LRT4 Long-Range Transmitters
The VAX-LRT2 and VAX-LRT4 Long-Range Transmitters set the electronic security benchmark for high frequency, long-range identification transmitters with a read range of 3.5 inches (88 m) upon presentation or 200 ft (61 m) upon the press of a button. Based upon proven contactless digital ultra high frequency (UHF) technology, the receivers...
Website:
http://www.vicon-security.com
Related topics : rfid proximity reader long range / rfid reader long read range / rfid uhf long range reader / ultra long range rfid reader / rfid long range reader
rfid - Can I use a NFC ring as an Oyster card ...
Newer applications use ISO/IEC 14443-4 standardized application cards (like payment cards from V/M/Amex, and NXP offers a proprietary extension of these called DESFire for transit agency issued cards).
The Oyster MIFARE cards are programmed at the factory (or by the system operator from blank devices) and are activated upon enrollment to the system. The readers at the turnstiles and behind the...
Website:
electronics.stackexchange.com
Related topics : rfid key card system / mifare contactless card reader / rfid key card / mifare rfid card reader / mifare rfid cards