Gates9@sh.itjust.works to News@lemmy.worldEnglish · 4 days agoSun unleashes 2 colossal X-class solar flares, knocking out radio signals across the Americas and Pacificwww.space.comexternal-linkmessage-square59fedilinkarrow-up1273arrow-down10
arrow-up1273arrow-down1external-linkSun unleashes 2 colossal X-class solar flares, knocking out radio signals across the Americas and Pacificwww.space.comGates9@sh.itjust.works to News@lemmy.worldEnglish · 4 days agomessage-square59fedilink
minus-squaresome_kind_of_guy@lemmy.worldlinkfedilinkarrow-up12·4 days agoOur phones really use uhf/vhf? Dang. I’m a ham nerd but my radio knowledge doesn’t really extend beyond those bands.
minus-squarezr0@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up4arrow-down1·4 days agoMobile phones use UHF and SHF, where GSM is on the lower end of the spectrum (900/1800MHz) and 5G on the higher end. The newest WiFi standard is at 6GHz. 5G can go as high as 71GHz, just not in mobile phones yet
minus-squaretal@lemmy.todaylinkfedilinkEnglisharrow-up2·4 days agohttps://wp.technologyreview.com/wp-content/uploads/2023/08/january_2016_spectrum_wall_chart_full-cta.png
Our phones really use uhf/vhf? Dang. I’m a ham nerd but my radio knowledge doesn’t really extend beyond those bands.
Mobile phones use UHF and SHF, where GSM is on the lower end of the spectrum (900/1800MHz) and 5G on the higher end. The newest WiFi standard is at 6GHz.
5G can go as high as 71GHz, just not in mobile phones yet
Mmmm, hammmm
https://wp.technologyreview.com/wp-content/uploads/2023/08/january_2016_spectrum_wall_chart_full-cta.png