Gates9@sh.itjust.works to News@lemmy.worldEnglish · 17 小时前Sun 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 小时前message-square35fedilink
minus-squarezr0@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up4arrow-down1·9 小时前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
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