Attached to this PCB are GSM/GPRS and GPS/GLONASS modules to receive GPS signals and relay all that data to the cloud. To this, just about any sensor can be added, including light sensors ...

A new extremely accurate GPS chip could help solve that problem -- all while consuming half the power of current chips. Broadcom's BCM47755 chip will allow smartphones to be accurate within 30 ...

Optical atomic clocks can increase the precision of time and geographic position a thousandfold in our mobile phones, ...