ARPU measures the average monthly revenue generated for each customer unit, such as a cellular phone or pager, that a carrier has in operation. (Cingular)
Handsets | Smartphones | Camera phones
BlackBerry | Nokia | Sony Ericsson | Motorola | Sanyo | Samsung | BenQ | Kyocera Wireless | LG | NTT DoCoMo | UT Starcom | HTC