Handsets are categorized according to the following:
(a) Dual Band - refers to the capability of GSM network infrastructure and handsets to operate across two frequency bands. This type of handset works in most of the Caribbean, USA and Canada.
(b)Tri Band: A tri-band mobile will operate on three different frequencies; depending on the available network. This handset will work in Trinidad & Tobago, Martinique, Guadeloupe, Europe and the UK.
(c) Quad Band: A quad band handset is operational on any of the four GSM frequencies. This is the ultimate global handset works anywhere in the world, provided we have a Roaming agreement with that country.
Note: Check that your phone battery is fully charged before you, travel and be sure to take along a power charger. For some countries you may require a power converter to change from 100V to 220V