Quad band is a device feature that supports four different frequency bands used in communication: 850 MHz, 900 MHz, 1,800 MHz and 1,900 MHz . In the context of mobile phones, a quad band feature gives the user wider roaming capabilities.
Quad band is a device feature that supports four different frequency bands used in communication: 850 MHz, 900 MHz, 1,800 MHz and 1,900 MHz . In the context of mobile phones, a quad band feature gives the user wider roaming capabilities.