Tri-band
A description of a wireless phone that works on three bands. CDMA and TDMA tri-band phones work on 1900MHz and 800MHz digital frequencies, and 800MHz analog cellular–popular standards in the United States. Tri-band GSM phones are all digital, operating on 1900Mhz in the United States and 1800Mhz and 900Mhz in other countries.
