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Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
The exact channel selection depends on the local popular 802.11 channel. For example, in a place that uses 1, 7, and 13 channels, the preference would be for channels 15, 16, 21, and 22. Channel coexistence is possible provided 8 meters of spacing between the 802.11 access point and the 802.15.4 device. [7]
The name "Bluetooth" was proposed in 1997 by Jim Kardach of Intel, one of the founders of the Bluetooth SIG.The name was inspired by a conversation with Sven Mattisson who related Scandinavian history through tales from Frans G. Bengtsson's The Long Ships, a historical novel about Vikings and the 10th-century Danish king Harald Bluetooth.
HDMI 1.0 requires support for RGB video, with optional support for Y′C B C R 4:4:4 and 4:2:2 (mandatory if the device has support for Y′C B C R on other interfaces). Color depth of 10 bpc (30 bit/px) or 12 bpc (36 bit/px) is allowed when using 4:2:2 subsampling, but only 8 bpc (24 bit/px) color depth is permitted when using RGB or Y′C B C ...
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network, such as the Internet.The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible.
Hamas and other Palestinian armed groups codenamed the attacks Operation Al-Aqsa Flood, [i] [1] while in Israel they are referred to as Black Saturday [j] [57] or the Simchat Torah Massacre, [k] [58] and internationally as the October 7 attacks.