3 G: third-generation technology that allows dial-up internet, data transfer and reading e-mail, for example. At present, the vast majority of mobile come with it, but is not yet implemented.

Autonomy: maximum duration of the battery of a phone. It can distinguish between autonomy or call waiting.

Autonomy tone: maximum length of a phone battery fully operational.

Autonomy Waiting: maximum duration of the battery of a phone coverage and waiting to be used.

Baud rate: the volume of data transferred in a given time. Se mide en bits por segundo (bps). It is measured in bits per second (bps).

Blackberry: system that can receive email instantly via a mobile. It is especially useful for professionals who are away from their office.

Bluetooth-wireless technology (wirelessly), which allows the connection between different computers or telephones. This connection is via radio and has a maximum range of 10 meters. It applies to connect the mobile handsfree system of the vehicle.

External Memory: amount of data that can be stored on an external device such as mobile memory cards. There are several types of cards such as the Mini SD, SD and MMC.

GPRS: modification of the GSM system through an open circuit on an ongoing basis allows connection to the Internet. It offers two advantages over GSM: greater speed and payment flow. The acronym derived from General Packet Radio Services.

GSM: name of the global system for mobile communication. His initials are for Global System for Mobile Communications.

Handsfree: device that enables communication distance. This may be done through a cable with a microphone and a headset, or via Bluetooth.

IMAP protocol that allows access to e-mail or phone from the terminal. Its initials refer to the Internet Message Access Protocol.

Infrared: rays through wireless technology that allows the connection between different teams, for example, between telephones. Its range much smaller than Bluetooth.

Internal Memory: amount of data that can be stored in the phone or the SIM card. Se mide en Kb o MB. It is measured in Kb or MB.

MPEG-4: type of encoding format audio and video. It is used, for example, to the television and the video.

MMS-service, which enables communication between mobile via multimedia messages. These messages admit format text, images, video and voice. The word comes from the initials of Multimedia Messaging System.

Mini SD Card: external memory card whose dimensions are 20 mm. x 21,5 mm. X 21.5 mm. x 1,4 mm. X 1.4 mm. It has a capacity similar to the SD card.

MMC Card: Like the SD card except that he does not have a tab of protection.

PIN: security code of four digits necessary to use the phone. Son stands for Personal Identification Number.

PIN2: security code of four digits of access to personal services on the phone.

PUK: security code unlock the SIM. Blocking occurs when entering the PIN three times mistakenly. These acronyms come Staff Unblocking Code.

Resolution: image quality measured in pixels.

Roaming: phone service that allows the user to use the phone in a country other than home. These countries use GSM.

SIM: card used to access the GSM network in which identifying data of the phone user. At present, ranging from 16 Kb to 512 MB.

SMS: service, which enables communication between mobile via short text messages. They have a maximum capacity of 160 characters.

SD Card: external memory card with a size of 32 mm. x 24 mm. X 24 mm. x 2,1 mm. X 2.1 mm At present, with a capacity ranging from 128 MB to 8 GB.

Triband: phone that can be used in Europe, Asia, Africa and America as it supports GSM frequencies of these countries.

UMTS: see 3G.

VGA: image format which has a resolution of 640x480 This type of digital cameras may appear on mobile phones. It is the acronym for Video Graphics Array.

WAP: protocol to allow access to the phone safely mail and simple web pages. Its initials refer to Wireless Application Protocol.

WIFI: wireless communication technology that enables connection to a local area network. It is an acronym for Wireless LAN.

WLAN: see WIFI.