Dualband and Triband

Triband. Triband has one more band than dual-band. Band is basically the frequency at which your network provider broadcasts signals. 850, 900, 1800 and 1900 are the four bands and network providers broadcast in any one of these. So triband is better especially when roaming. Though quad band is even better.

dual band is national plus local
triband is national plus international plus local

and the new """"""rubberband""""" is just local hahahahah