Tri-band

What is Tri-band?

Definition and meaning of Tri-band

Tri-band technology refers to Cellular communications gadgets, typically Cellphones that can perForm on 3, in place of simply one, Broadband frequency. These gadgets use domestic frequencies to be had and one foreign frequency for Constrained Roaming capability.

Tri-band phones are the most commonplace forms of telephones due to their more geographical Variety, gaining the identify of global telephones. The common frequencies used are GSM900, GSM1800 and GSM1900.

What Does Tri-band Mean?

There are fundamental kinds of tri-band telephones: the American and European. The American tri-band phones cowl the 850, 1800 and 1900 frequency bands, even as the European covers 900, 1800 and 1900 frequency bands. Travelers, however, choose the European fashions because the frequencies they use also are in wide use outdoor the UNited States and Canada.

Tri-band phones Function the use of the Global System for Mobile Communications (GSM) fashionable, the second one technology (2G) of Digital Networks era used by mobile telephones. 2G phones were a prime improvement from the primary mobile telephones in the 80s which allowed for the transfer into virtual. However, with the more recent 3G era and the creation of 4G in 2010, 2G tri-band technology have become previous and Obsolete, but that doesn’t suggest it's miles no longer in wide use.

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