- 行业: Mobile communications
- Number of terms: 3825
- Number of blossaries: 1
- Company Profile:
Finnish multinational communications corporation currently the world's largest manufacturer of mobile telephones. The company also offers Internet services and produces telecommunications network equipment.
A standard system for analogue mobile communications which originated in the United States but is also used in other countries, for example in Canada. AMPS operates in the 800 and 900 MHz frequency bands.
Industry:Mobile communications
The time that is used for wireless transmission, for example making or receiving mobile calls, sending or receiving short messages, or using any service requiring a connexion to the network. Sometimes air time is measured for charging purposes.
Industry:Mobile communications
A feature that lets the user set the phone to sound an alarm tone at a specified time within 24 hours or, in some phone models, on a certain day or daily. It can be used as a wake up alarm or as a reminder of important appointments.
Industry:Mobile communications
A description of a continuously variable signal, or a device designed to handle such signals. In the context of wireless communications, analogue usually refers to traditional transmission networks or mobile phones that use analogue technology. The opposite is discrete or digital. See also Digital.
Industry:Mobile communications
A physical device for sending or receiving radio signals. Mobile devices can contain internal antennas or antennas that extend above the phone. If a mobile device includes an FM radio, the lead of the headset functions as the antenna of the radio. The headset needs to be connected when using the radio. See also FM radio.
Industry:Mobile communications
A feature that lets the user answer the phone by pressing any key on the keypad.
Industry:Mobile communications
A mechanism that opens the phone when the user presses triggers, for example on the sides of the phone, to enable usage of keypad and selection keys. Only a few phone models have the automatic opening mechanism.
Industry:Mobile communications
A light in the display or beneath the keypad of a phone, which makes the display or keypad more visible in poor lighting conditions.
Industry:Mobile communications
The width of a communication channel. Analogue bandwidth is measured in Hertz (Hz) or cycles per second and digital bandwidth is measured in bits per second. Bandwidth should not be confused with band. For example, when a mobile device operates on the 900 MHz band, bandwidth is the space it occupies on that band. The bandwidth of a channel affects the transmission speed.
Industry:Mobile communications
Software used to view information pages such as web and WAP pages. A browser can use, for example, hypertext markup language (HTML), extensible hypertext markup language (XHTML) or wireless markup language (WML) to display pages. See also Web browser.
Industry:Mobile communications
