Dual mode mobile
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Dual mode mobiles refer to mobile phones that are compatible with more than one form of data transmission or network.
There are three types of dual mode phones.
Mobile phones containing two types of cellular radios for voice and data. These phones include combination of GSM and CDMA technology. They can be used as a GSM or CDMA phone according to the user's preference. These handsets are also called global phones. An example of this is the Samsung SCH-A790.
Such phones make sense in those countries that have both GSM & CDMA networks or international CDMA roamers who want to keep a single handset with 2 numbers on it.
Most dual mode handsets require two identifying cards (one SIM and one RUIM), though some dual-mode phones (for example, the iPhone 4S) only require one SIM and one ESN. Not all dual SIM handsets are dual mode (for example dual SIM GSM phones).
Cellular and Non-cellular RadiosEdit
Mobile phones contain both cellular and non-cellular radios used for voice and data communication. There are also 2 types of dual mode phones which use cellular radio which will contain GSM/CDMA/W-CDMA as well as other technology like IEEE 802.11 (Wi-Fi) radio or DECT (Digital Enhanced Cordless Telecommunications) radio. These phones can be used as cellular phones when connected to a wide area cellular network. When within range of a suitable WiFi or DECT network, the phone can be used as a WiFi/DECT phone for all communications purposes. This method of operation can reduce cost (for both the network operator and the subscriber), improve indoor coverage and increase data access speeds.
Wired phones with VoIP and POTS technology. These phones can be used for making VoIP calls and also used for phones on the circuit switchnetwork. These phones require compatible routers and modem to make VoIP calls.
LG Nexus 6P
Google Pixel & Pixel XL
Google Pixel 2 & Pixel 2 XL
Motorola Moto X4 and Android One Moto X4
Dual mode mobiles could also refer to: