Not meaningful without knowing which two bands and which technologies the phone will work with. For North American TDMA and CDMA phones ... always digital. A dual-band GSM phone supports two ...

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal ...

The two major types of dual-SIM phones are active and standby. Dual-SIM Standby (DSS) requires the user to specify which of the two SIMs is able to make and receive calls, while Dual-SIM Active ...