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RF module provides location data

Nanotron’s nanoLOC AVR Chirp Spread Spectrum (CSS) smart RF module for RTLSs (real-time location systems) stand-alone applications has gained approval under the Japanese ARIB-T66 standard and Europe’s R&TTE directive for use in the license-free 2.4 GHz ISM band. The module measures 35x14x3 mm, with an integrated chip antenna and a serial UART interface. Operating as an RF “tag”, the module has a transmit power of 0 dBm and a receive sensitivity of 95 dBm, for a maximum data rate of 2 Mbit/sec; using information derived from the chirp modulation that Nanotron employs, the system also returns range information, between the module and the host station, with a resolution of 1m. The module is the first CSS radio module with precise indoor- and outdoorranging capabilities, Nanotron says; it is equipped with a 64-kbyte-flash and 4-kbyte-RAM, fast 8-bit microcontroller. It uses a maximum of 35 mA active and 2 µA in standby.

Nanotron, www.nanotron.com