Wholesale Dual SIM Cell Phone GSM Dual Band This dual-SIM mobile phone gives users the convenience of using two numbers without having to switch phones. It is enabled for Bluetooth, GPRS and WAP, and operates on the GSM 900/1800MHz bands. The handset has a large 3.2-inch, 260,000-color, 16:9 touchscreen TFT LCD, and a 1.3MP digital camera. Its 512MB onboard memory can be increased to 2GB with additional memory cards. It can use 64 polyphonic or MP3 ringtones.
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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