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2. Cosmic Background Explorer - Wikipedia

   en.wikipedia.org/wiki/Cosmic_Background_Explorer

   The Cosmic Background Explorer (COBE / ˈ k oʊ b i / KOH-bee), also referred to as Explorer 66, was a NASA satellite dedicated to cosmology, which operated from 1989 to 1993.Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR) of the universe and provide measurements that would help shape our understanding of the cosmos.

3. Electromagnetic spectrum - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_spectrum

   The copper cables (transmission lines) which are used to carry lower-frequency radio waves to antennas have excessive power losses at microwave frequencies, and metal pipes called waveguides are used to carry them. Although at the low end of the band the atmosphere is mainly transparent, at the upper end of the band absorption of microwaves by ...

4. Wi-Fi 7 - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi_7

   The OnePlus Open also features Wi-Fi 7 support Asus: ROG Phone 7: April 2023: Snapdragon 8 Gen 2: Lenovo: Legion Slim 7 Gen8 laptop: MediaTek Filogic 380 Wi-Fi 7 card [56] Google: Pixel 8 and Pixel 8 Pro [57] October 2023: Google Tensor G3 [58] [59] Samsung: Galaxy S24 Ultra: January 2024: Snapdragon 8 Gen 3: Apple: iPhone 16 Pro and iPhone 16 ...

5. Black Friday shoppers spent a record $10.8 billion online ...

   www.aol.com/black-friday-online-sales-track...

   People didn't just fill their plates this Thanksgiving weekend -- data shows they also filled their online shopping carts. Black Friday online shopping this year set a new high, reaching $10.8 ...

6. List of WLAN channels - Wikipedia

   en.wikipedia.org/wiki/List_of_WLAN_channels

   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.

7. Wi-Fi 6 - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi_6

   Wi-Fi 6E introduces operation at frequencies of or near 6 GHz, and superwide channels that are 160 MHz wide, [17] the frequency ranges these channels can occupy and the number of these channels depends on the country the Wi-Fi 6 network operates in. [18] To meet the goal of supporting dense 802.11 deployments, the following features have been ...