Many of us can vouch for smartphone navigation being something of a battery hog. Sony would like us to navigate relatively guilt-free: its D5600 and flash-equipped D5601 chips chew no more than 10mW of power for everything they do. Most of their peers demand more than that just for the RF side of the equation, Sony says. They also won't lean on outside help for their location fix. Both chips talk to GPS, GLONASS and similar systems, but they further share the increasingly common abi
