Gates9@sh.itjust.works to News@lemmy.worldEnglish · 17 hours agoSun unleashes 2 colossal X-class solar flares, knocking out radio signals across the Americas and Pacificwww.space.comexternal-linkmessage-square35fedilinkarrow-up1189arrow-down10
arrow-up1189arrow-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 · 17 hours agomessage-square35fedilink
minus-squaresome_kind_of_guy@lemmy.worldlinkfedilinkarrow-up8·14 hours 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-down1·9 hours 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-up2·12 hours 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.
Mmmm, hammmm
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
https://wp.technologyreview.com/wp-content/uploads/2023/08/january_2016_spectrum_wall_chart_full-cta.png