ALL meanings of dual-band
du·al-band
D d - adjective dual-band of or relating to mobile telephones that can operate on two GSM frequency bands 0
- adjective dual-band Dual-band appliances operate across two frequency bands. 0
- noun dual-band A device that is capable of operating in two frequencies. On a wireless network, dual-band devices are capable of operating in both the 2.4GHz (802.11b/g) and 5GHz (802.11a/n) bands. In cellular phone technology, dual-band devices typically operate in both the GSM900 and GSM1800 frequencies, allowing a greater number of roaming options. 0