FCC Seeks Comment on Waiver for MIT Ultrawide Band Medical Sensor
The FCC Office of Engineering and Technology sought comment on a Massachusetts Institute of Technology waiver request for its WiTrack System, a swept-frequency ultrawide band indoor medical monitoring device. It uses up to 2.5 GHz in the 6 to 8.5…
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GHz band “to passively monitor mobility, breathing, and other physiological signals,” without requiring body-worn sensors, OET said. MIT needs a waiver because the device doesn’t comply with a requirement that a Part 15 UWB transmitter use a bandwidth wider than 500 MHz. “MIT states that its WiTrack System would not satisfy this definition because each frequency step is less than 500 MHz in bandwidth ‘at any point in time’ even though the total bandwidth needed for optimal performance exceeds 500 MHz, regardless of the fractional bandwidth,” said Friday's public notice. Comments are due April 18, replies May 3, in docket 19-89. The notice sets the initial comment date as April 18, 2018.