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SD Card - The Tech-FAQ
A SD card, or Secure Digital card, is a memory card used in portable devices for non-volatile memory storage. The cards are commonly used in tablet computers, cell phones, digital cameras, and GPS devices. The SD standard was first introduced in 1999 as an improvement over MultiMediaCards. The standard for SD cards is maintained by the SDA (SD Card Association) and has been implemented in more...
Related topics : micro sd card rfid reader / rfid card reader device / types of rfid cards / rfid card operating frequency / rfid card security system
Personal RFID Tracking Units - Tech-FAQ
For example, a user who has one or two RFID readers installed in his/her home can place RFID tags on commonly misplaced objects such as key chains, cell phones, and even clothing, and use a personal RFID tracking unit to find the missing object's exact location on demand.
Loss Prevention
Like tracking, personal RFID tracking units can be used for loss prevention in order to alert the user if an item is taken outside of a...
Related topics : rfid tag location tracking / rfid tag and reader / rfid tag reader / rfid tracking tag / rfid location tracking
How a Smart Card Reader Works - The Tech-FAQ
Smart Card Readers are also known as card programmers (because they can write to a card), card terminals, card acceptance device (CAD), or an interface device (IFD). There is a slight difference between the card reader and the terminal. The term 'reader' is generally used to describe a unit that interfaces with a PC for the majority of its processing requirements. In contrast, a 'terminal' is a...
Related topics : rf card reader usb / rf card reader circuit / rf card reader price / rf card reader writer software / rf card reader software
UHF (Ultra High Frequency) - Tech-FAQ
UHF is an acronym for a band of radio frequencies often used to broadcast television signals. Mobile phones and satellite radio also use UHF signals. The letters 'UHF' stand for: Ultra High Frequency.
UHF Frequencies
Any radio frequency between 300 MegaHertz (MHz) and 3,000 MHz (or 3 GigaHertz) is considered to be...
Related topics : uhf rfid frequency range / uhf rfid frequency band / uhf rfid frequency / radio frequency id chip / radio frequency chip
How to Disable LoJack - Tech-FAQ
LoJack refers to a GPS dependent tracking device that allows users to locate devices or vehicles that have been stolen. It is available in both a software version for computers and a hardware version for vehicles and communicates with GPS satellites to show a user where his/her stolen item currently is. LoJack can be activated at any time via a third party user interface and is often used to...
Related topics : radio frequency tracking device
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