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Typical 2G standards include GSM and IS-95 with extensions via GPRS, EDGE and 1xRTT, providing Internet access to users of originally voice centric 2G networks. Both EDGE and 1xRTT are 3G standards, as defined by the ITU, but are usually marketed as 2.9G due to their comparatively low speeds and high delays when compared to true 3G technologies.
12.1 oz (343 g), 3G + Wi-Fi. 11.6 oz (329 g), Wi-Fi only. Website. nook .com. The Nook 1st Edition (styled "nook") is the first generation of the Nook e-book reader developed by American book retailer Barnes & Noble, [ 1] based on the Android platform. The device was announced in the United States in October 2009 and was released the next month ...
Wi-Fi calling. Wi-Fi calling, also called VoWiFi, [ 1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [ 2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband ...
CDMA2000. Huawei CDMA2000 EVDO USB wireless modem. CDMA2000 (also known as C2K or IMT Multi‑Carrier ( IMT‑MC )) is a family of 3G [ 1] mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is developed by 3GPP2 as a backwards-compatible successor to second-generation cdmaOne (IS-95 ...
Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile phones than wired devices. [ 1] The history of mobile phones covers mobile communication devices that connect wirelessly to the ...
The Nokia Communicator is a brand name for a series of business-optimized mobile phones marketed by Nokia Corporation, all of which appear as normal (if large) phones on the outside, and open in clamshell format to access a QWERTY keyboard and an LCD screen nearly the size of the device footprint. Nokia Communicators have Internet connectivity ...
Freedom of Mobile Multimedia Access (FOMA) is the brand name of the W-CDMA-based 3G telecommunications services being offered by the Japanese telecommunications service provider NTT DoCoMo. It is an implementation of the Universal Mobile Telecommunications System (UMTS) and was the world's first 3G mobile data service to commence commercial ...
Voice over wireless LAN ( VoWLAN ), also voice over Wi‑Fi ( VoWiFi[ 1] ), is the use of a wireless broadband network according to the IEEE 802.11 standards for the purpose of vocal conversation. In essence, it is voice over IP (VoIP) over a Wi-Fi network. In most cases, the Wi-Fi network and voice components supporting the voice system are ...