Today's mobile phones need to not only support cellular frequencies, but also non-cellular features such as those used for mobile TV, Bluetooth, WLAN, and location-based services. As the real estate ...

You used to be able to tell a die-hard ham radio operator on the road by the number and length of antennas protruding porcupine-like from their vehicle. There are still some mobile high frequency ...

Vodafone has revealed that it is using satellites to guarantee signal positioning. The carrier said it will do this by installing satellite guided sensors within new radio antennas located on top of ...