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The mini-SIM (or 2FF) card has the same contact arrangement as the full-size SIM card and is normally supplied within a full-size card carrier, attached by a number of linking pieces. This arrangement (defined in ISO/IEC 7810 as ID-1/000 ) lets such a card be used in a device that requires a full-size card – or in a device that requires a ...
Near-field communication ( NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [ 1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of capable wireless connections. [ 2]
GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM . Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals.
As of 30th April 2024, there are 1.96 billion wireless subscribers in India according to Telecom Regulatory Authority of India (TRAI). [ 3] Market share of Wireless Mobile operators in India as of 31st may 2024 according to the Telecom Regulatory Authority of India (TRAI) [ 4] Jio (40.60%) Airtel (33.13%) Vodafone Idea (18.66%) BSNL (7.45%)
Wireless WAN. Wireless wide area network ( WWAN ), is a form of wireless network. The larger size of a wide area network compared to a local area network requires differences in technology. Wireless networks of different sizes deliver data in the form of telephone calls, web pages, and video streaming. A WWAN often differs from wireless local ...
Wireless network technologies. General Packet Radio Service ( GPRS ), also called 2.5G, [ a] is a mobile data standard on the 2G cellular communication network's global system for mobile communications (GSM). [ 1] Networks and mobile devices with GPRS started to roll out around the year 2001. [ 2]
Telecommunications in India began with the introduction of the Telegraphy. The Indian postal and telecom sectors are one of the world's oldest. In 1850, the first experimental electric telegraph line was started between Kolkata and Diamond Harbour. [ 14] In 1851, it was opened for the use of the East India Company.
Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks ( WLANs ). It operates in the 2.4 GHz and 5 GHz bands, [ 9] with an extended version, Wi-Fi 6E, that adds the 6 GHz band. [ 10] It is an upgrade from Wi-Fi 5 ( 802.11ac ), with improvements for better performance in crowded places.