Wireless Medical Telemetry Advocates Question Google Arguments
The Wireless Medical Telemetry Service Coalition questioned arguments by Google that low-power unlicensed devices can operate within 200 meters of any WMTS facility’s perimeter without causing harmful interference. Google made its argument in a May 22 filing. Google said its…
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tests demonstrated unlicensed devices can safely use the duplex gap and guard bands, as well as Channel 37, after the TV incentive auction (see 1505260046). WMTS systems, operating in Channel 37 spectrum, “are the backbone of life-saving healthcare monitoring systems for critically ill patients and cannot tolerate harmful interference,” the coalition said. “Google has not provided even a scintilla of evidence of how it has determined what constitutes a ‘real world’ or ‘typical’ hospital construction or WMTS system operating environment,” the coalition said. “Google does criticize the tests conducted by GE Healthcare and Comsearch at an actual hospital in the Washington, D.C., area, suggesting that it does ‘not necessarily reflect a real-world environment.’ But Google provides no basis for arguing that an actual hospital located within a short drive from FCC headquarters is not a ‘real-world’ environment.” The coalition said it met with Office of Engineering and Technology Chief Julius Knapp and other FCC staffers. The filing was posted in docket 14-165.