UMTS A third-generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP, UMTS is a component of the International Telecommunications Union IMT-2000 standard set and compares with the CDMA 2000 standard set for networks based on the competing cdmaOne/CDMA One technology. UMTS uses W-CDMA radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.
Bluetooth - A small very low power transmitter/receiver that allows a mobile to connect to nearby devices such as ear pieces and car loudspeakers.
Prepaid involves paying upfront for a service and receiving or using that service afterwards. Purchasing a prepaid card for cell phones tops up credit onto a cell phone. This credit can then be used for phone calls, text messages, and other services.