A digital wireless phone that operates in 800Mhz, 1800Mhz and 1900Mhz GSM frequencies.
The term given to describe a phone that can be used abroad in a wider range of countries, including USA and Canada. A tri band phone enables greater roaming capability by being able to use three types of network. Tri band phones can operate on all networks that dual band phones can plus networks in North America.
enables your mobile phone to make and receive calls in more countries (on three different frequencies, 900MHz and 1800MHz and the 'American GSM', or PCS 1900MHz).
These are mobile phones which are able to operate on three GSM frequency bands GSM900, GSM1800 and GSM1900.
A mobile phone's ability to operate on three frequency bands mainly 800Mhz, 1800 Mhz and 1900Mhz bands.
Triple-band phones are capable of operating on three GSM frequency bands - the GSM 900 and GSM 1800 frequencies used in over 100 countries worldwide plus the GSM 1900 frequency band that's increasingly being adopted in America. A phone that is capable of operating on three frequency bands, 900mhz, 1800mhz and 1900mhz. A triband phone is needed to if you wish to use your phone in the USA