Wireless Technology

Most areas of the US have two cellular carriers, each of which operates on a different frequency band. One is designated the "A" carrier (non-wireline carrier) and the other is designated the "B" carrier. In some markets there may be only one carrier which may be "A" or "B".

Most cellular phones have the ability to switch to the "A" or the "B" frequency bands. This feature is useful when roaming outside your home coverage area.

A monthly charge for the ability to connect to a wireless network. This fee is assessed monthly whether the phone is actually used or not.

Configuration of a wireless phone so that it is ready to be used to transmit and receive calls on the wireless network.

A one-time up-front charge for activation of a wireless phone.

Total time that a wireless phone is in connected and in use for talking. This includes use for calls both received and placed.

A display, usually LCD, that has the ability to display both text and numbers. Most often found on the front of a wireless handset or pager.

An analog cellular phone service standard used in the US and other countries.

A method of modulating radio signals so that they can carry information such as voice or data.

A device that facilitates the transmission and reception of radio signals.

A feature of some wireless handsets that helps reduce power consumption to increase battery charge life.

A three digit telephone number prefix assigned to a calling area.

A feature used to reduce fraud by confirming the identity of a phone to the wireless network.

A service feature that allows a user to receive calls when roaming outside of the phone's home coverage area.