RFID Battery Backup RFID - RFID (radio frequency identification) is a fast, automatic identification technology similar in application to bar code technology that uses a laser light visual scanner to transfer data between a reader and an item being tracked. But instead of a visual scanner that requires a direct line of sight, RFID uses a low wattage radio frequencies to read from the tag and also write to the tag. There are three parts to an RFID system: tag; decoder; and antenna. The tag is a semiconductor chip that can hold and transmit stored information. The antenna generates a magnetic field that triggers the tag and initiates radio communication with the decoder. The decoder passes the information from the tag to a host-computer for further processing. A RFID tag can be read at different ranges up to 1.5 miles depending upon the frequency at which a system operates. But what happens when there is a power outage? This is where the RFID Battery Backup Systems comes in. These units will provide plenty of battery backup power for the antenna to keep the system running until AC power is restored. And if more battery backup time is needed then the addition of Solar Panels can be added to provide that extra backup power.

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