Third Generation phones, 3G phones, have very high speed connections, enabling video conferencing and other applications which use broadband connectivity to the Internet.
The standby time indicates how long the battery lasts before needing to be recharged. The advertised standby time applies if no calls are made. When you make a call the standby time decreases significantly since talk time consumes power.
Smartphones are often "a bit more" than the normal Mobile Phone. They often have a keyboard or a touch screen, run on more advanced operating systems and have a functionality that is similar to the computers. IE to browse the Internet, read and reply to emails and run programs.
A person with a Wi-Fi enabled device such as a PC, cell phone or PDA can connect to the Internet when in proximity of an access point. The region covered by one or several access points is called a hotspot. Hotspots can range from a single room to many square miles of overlapping hotspots.Wi-Fi was originally a brand licensed by the Wi-Fi Alliance to describe the embedded technology of wireless local area networks (WLAN) based on the IEEE 802.11 standard. As of 2007, common use of the term Wi-Fi has broadened to describe the generic wireless interface of mobile computing devices.
Bluetooth enables wireless communication between your phone and other devices with Bluetooth, such as a laptop or a headset. Developed by Ericsson Inc., Intel Corp., Nokia Corp. and Toshiba.
SAR, Specific Absorption Rate, a measurement of the amount of radiation that is absorbed into a head while using a cellular phone, the higher the SAR-value the more radiation that is absorbed into the head. The lower the better. W/kg over 10 g tissue. Max value in EU, Japan etc is 2 W/kg. Below 0.5 is low, 0.5-1.0 is in the middle and over 1 is high.
The Network Band says whether the phone is Tri, Dual or Quad Band, and which frequencies it works on. Generally you would use a Tri Band handset for the USA. If you need the phone for travel you should check which frequency the country uses before deciding on Tri, Dual or Quad Band.
High Speed Downlink Packet Data Access is a mobile phone communications protocol. It makes it possible reach higher downloading speeds to your phone. In theory 10-20 Mbit/s.This standard is sometimes called HSDPA
General Packet Radio Service, GPRS, is a standard for high-speed connection. It is an advanced data transmission mode which doesn't require a continuous connection to the Internet, it uses the network only when there is data to be sent, which is more efficient than a continuous connection. GPRS can send and receive data at speeds up to 115 kbps.
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