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PervasID Releases New Reader With 75 Percent Fewer Antennas
The company reports that the Space Ranger 9200 offers real-time location data within 4,500-square-foot cells with more than 99 percent accuracy, and only a few antennas per reader.
May 04, 2017—
U.K.-based technology company PervasID has released the latest version of its ultrahigh-frequency (UHF) RFID flat ceiling tile antenna reader system, known as the Space Ranger 9200, that, according to the company, offers an easier installation than its predecessor, with 75 percent fewer antennas and 50 percent less cabling requirements. The system is designed to accomplish near-100-percent tag-read accuracy within zones, in real time, the firm reports. The new product has been trialed by several companies in the retail and health-care sectors, and is being commercially launched now.
The wide-area passive RFID reading system is designed to capture RFID tag reads within approximately 4,500-square-foot cells, says Sithamparanathan Sabesan, the company's CEO. It differs from other overhead fixed RFID systems, in that it requires fewer antennas to capture read data, and offers more than 99 percent read accuracy in real time.
The Space Ranger was created to resolve that issue, the company reports. PervasID was launched in 2011, after its founders, from the University of Cambridge, -- developed an RFID reader that employs a distributed antenna system (DAS) consisting of an array of antennas that capture data ID numbers within the reader's zone (see UK Startup Company Launches 'Wide-Area' EPC RFID Prototype System). PervasID's reader can transmit RF signals across wide beams that fill a zone and capture the presence of an RFID tag,
The Space Ranger 9100 was the first product release, which has been trialed by a handful of companies—primarily apparel retailers—that have asked to remain unnamed. The 9200 has since been developed, and is being trailed this year by some of the same companies.
The 9200 offers multiple benefits over the 9100, Sabesan says. While the 9100 was deployed with eight antennas, each cabled to that reader, the 9200 uses considerably fewer antennas. A single reader is centered in a "cell" or zone, with four antennas positioned at the cell's four corners. The deployment would consist of a ceiling grid of cells, so that each antenna could serve as the corner antenna for three cells within its proximity. Since one antenna serves several cells, that means that there would be 75 percent fewer antennas installed overall than with the 9100. In addition, the center master reader, with its own built-in antenna, uses Power-over-Ethernet and links data back to a gateway (known as the master controller), with as many as 32 readers linked to a single gateway.
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