But they often rely on RF signals from wi-fi access points or custom infrastructure, poor-quality GPS signals or expensive, high-quality sensors.

ENGADGET: Cambridge Consultants develops indoor tech to pick up where GPS drops off

Financial services company Fidelity Investments is deploying Airespace over a half-dozen buildings around Boston, in part to kick off rogue signals from non-Fidelity access points whose signals stray onto their turf.

FORBES: Wi-Fi With a Coat and Tie

Once an account is created, the STRIVA products are mated to the user account and sent special instructions on preferred wireless access points nearby when away from home or the office.

ENGADGET: Koss intros Striva headphone systems, lets you stream music over WiFi straight to your ears