Dual Band

What is Dual Band?

itMyt Explains Dual Band:

DuaL Band is a Characteristic permitting a Device to Function in two specific frequency bands. In the Context of Cellular Phone Networks, a dual band tool allows broader Roaming abilties to customers.

What Does Dual Band Mean?

There are four primary frequency bands in a Global System for Mobile Communications (GSM) network, as follows: 850 MHz, 900 MHz, 1800 MHz, and 1900 MHz. The UNited States uses the 850 MHz and 1900 MHz bands, and Europe Makes use of the 900 MHz and 1800 MHz bands.

If a GSM phone supports one band, such as 850 MHz within the U.S., then a person can use a mobile tool and speak in a supported GSM network. However, if a consumer simplest has a 1900 MHz GSM Signal, he cannot talk or make calls from the 850 MHz-supported vicinity.

The U.S. Requires that Cell devices have twin band capability for GSM network roaming and assist 850 MHz and 1900 MHz bands. A dual band telephone with these specs can't be used in Europe.

To feature in at the least one U.S. CommUnity and one European network, a twin band tool ought to support a 850 MHz or 1900 MHz band blended with a 900 MHz or 1800 MHz band.

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