GSM Watch Mobile Phone
Negotiable /Piece
Min.Order:1 Piece
oneworld international industry co.,limited
In mobile phones, dual-band and tri-band refer to functionality that allows a cell phone to support either two or three frequency bands out of the four major GSM (TDMA) bands - 850/900/1800/1900 MHz.
GSM 900/1800 bands work in Europe, Africa, Asia, and Brazil
GSM 900/1800/1900 bands will work on at least one network in most countries around the world except for some networks that only support 850MHz.
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