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Network technology - Referes to the kind of network technology used. Three major technologies are used today - TDMA, CDMA and GSM.

GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed. SIM cards can be programmed to display custom menus for personalized services.GSM provides a short messaging service (SMS) that enables text messages up to 160 characters in length to be sent to and from a GSM phone.

UMTS - Universal Mobile Telecommunications Service, also called WCDMA, is a 3G (Third Generation) packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 Mbps. It is based on GSM standard and is supported by major standards bodies and manufacturers

Data - Shows the particular phone\'s type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.

Design - Phone design type

Form Factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel

Dimensions - Phone\'s dimensions

Weight - Phone\'s weight

Display - Phone\'s main display

Technology - Refers to the type of the color displays. There are five major types: LCD, TFT, TFD, STN and OLED

Resolution - Refers to the width and the height of the display

Capacity - Shows the battery capacity in mAh

Smart Phone - Phone that has capabilities, not usually associated with phones. Usually it has some of the above features: - Email, Web browsing - Personal information management - LAN connectivity etc

OS - Operating system, which is the software that enables and controls the basic operation of an electronic device. The major OS for mobile phones are UIQ over Symbian, Microsoft Mobile for Pocket PC Phone Edition, Microsoft Mobile for Smartphones, Linux, Palm

Camera - Camera specs

Resolution - Shows the particular phone\'s camera resolution. The major mobile phone camera resolutions available are QCIF; CIF; VGA (640x480); 1, 1.2, 1.3, 2.0 and 3.0 megapixels.

Video Calling - Feature allowing you to not only listen but also view the other party.

Music Player - Audio support such as MP3

Video Playback - Video support such as MPEG4

Internet Browsing - Capability to access special Internet sites using the mobile phone

E-mail - Shows if the phone supports email features

Memory Expansion - Capability to add additional memory to your phone.

Slot Type - Shows what type of additional memory can be added to the particular phone. Eight major memory slot types are available: MMC, SD, CF, Memory Stick Duo, miniSD, RS MMC, TransFlash (microSD), Memory Stick Pro Duo

Maximum card size - Shows the capacity of the memo0ry expansion slot that can be added

Bluetooth - Low power radio technology replacing the need for wires connecting electronic devices such as personal computers, printers, palm top computers and mobile phones.

Version - Shows the paricular phone\'s Bluetooth version

EDR - Refers to any special features of the particular phone\'s Bluetooth

Wi-Fi - Wireless Local Area Network (WLAN) - used radio waves (RF) or infrared signals to send and receive data over the air. Most popular WLAN solutions today is Wi-Fi (802.11b and 802.11g) standards. 801.11b provides data speeds of around 11mbps while 802.11g can go up to 54 mbps.

Features - Universal Serial Bus - is a plug-and-play interface for connection a computer and add-on devices such as joysticks, keyboards, wireless phones, scanner, cameras etc. USB supports hot-swap (ability to add a new device without having to reboot the computer). USB supports data speed of 12 megabits per second.