Datasheet | April 2, 2010

Datasheet: Extend-A-Read (Long Range Semi-Active)

Source: RFID, Inc.

Imagine 32 dock doors side by side, or 32 hospital rooms, or 32 offices, each with tagged assets or persons flowing in and out, or remaining stationary. Current LF 125 KHz or HF 13.56 MHz passive tag systems offer far too little range to present a solution and tag tamper proofing is very rudimentary. UHF passive tags may garner more range but not enough often, Reader systems would be far too expensive to install in each area to be monitored, UHF's performance is detrimentally impacted by the presence of liquids (the human body) and by the mounting of tags on metal surfaces without sufficient spacing, and tamper proof tags are again very rudimentary. TTF (Tag Talk First) systems or beacon tags at 433 MHz or 2.45 GHz which depend on multiple Readers to detect tag signal strength and algorithms to triangulate tag location can be more precise in locating a tag within up to a foot or two, but these are very high end systems.

Enter RTF (Reader Talk First) dual frequency semi-active systems offering:

  • Low to middle end solutions
  • Much extended tag battery life
  • Tags with low battery alert via RF signal -Tamper proof or movement notification tags with continuous alarm broadcast
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