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The project brings free, encrypted, gigabit wireless internet coverage to the five boroughs by converting old payphones into Wi-Fi hotspots where free phone calls could also be made. As of 2020 [update] , there are 1,869 Links citywide; eventually, 7,500 Links are planned to be installed in the New York metropolitan area , making the system the ...
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Gigabit wireless is the name given to wireless communication systems whose data transfer speeds reach or exceed one gigabit (one billion bits) per second. Such speeds are achieved with complex modulations of the signal, such as quadrature amplitude modulation (QAM) or signals spanning many frequencies.
On May 10, 2010, the Wi-Fi Alliance and WiGig Alliance announced a cooperation agreement for multi-gigabit wireless networking. The Wi-Fi Alliance and the WiGig Alliance shared technology specifications for the development of a Wi-Fi Alliance certification program supporting Wi-Fi operation in the 60 GHz frequency band. [23] [24] [25]
USSD on a Sony Ericsson mobile phone (2005). Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers.
Some devices with dual-band wireless network connectivity do not allow the user to select the 2.4 GHz or 5 GHz band (or even a particular radio or SSID) when using Wi-Fi Protected Setup, unless the wireless access point has separate WPS button for each band or radio; however, a number of later wireless routers with multiple frequency bands and ...
By 2004 some trade press used the term "Gi-Fi" to refer to faster versions of the IEEE 802.11 standards marketed under the trademark Wi-Fi. [ 1 ] In 2008 researchers at the University of Melbourne demonstrated a transceiver on a single integrated circuit (chip) operating at 60 GHz on the CMOS process, allowing wireless communication speeds of ...