The "signal sniffer" being used in the Nancy Guthrie investigation was mounted on a helicopter on Monday.

TOKYO--(BUSINESS WIRE)--Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today announced the development of two 2.4 GHz RF transceiver technologies ...

This complete reference platform integrates sensitive bio-signal detection, low-power processing, Bluetooth Low Energy connectivity, and wireless charging support providing a proven blueprint for ...

Turning off Bluetooth and Wi-Fi does reduce battery usage, but not enough to worry about it.