A phone that can use three of the four GSM transmission frequencies; usually 900, 1800 and 1900MHZ. The 1900MHZ band is used in parts of the USA, Canada and South America. The American continent also uses the 850MHZ band so if you take a phone from the UK to the USA you would really need a Quad-band for it to fully function there. See also 'Dual-ba...
Found on
http://www.tuffphones.co.uk/glossary
Tri or Triple band means three bands, and refers to handsets that operate on three of the four GSM transmitting frequencies, commonly GSM 900, GSM 1800 and GSM 1900
Found on
https://www.encyclo.co.uk/local/21186
No exact match found.
