???????????9??24????????????????г??о????OpenSignal??????????????Щ??4G?????????????????????粿??ü?????????????????4G LTE???????????????????55λ??
????OpenSignal???????????????6????8?￡?????4G???????????????10Mbps????????????9Mbps????????????????????????????????????????????????43λ?????55λ??
??????????????????LTE???÷????????????Verizon????2010????????4G LTE?????????????????????????????????????????????е??????????Σ???????????Щ????????
????????????????????4G?????????36Mbps??λ???????????????????????????????????λ????е??????????????????????????LTE??????????4Mbps????29Mbps???????????5Mbps????33Mbps??
????OpenSignal?????????????????????????????????????????????????????????????硣?ù???????????????????????????30?????????
??????????????????????????????4G???????????????????????????Щδ???????????????á????磬????????????????????????磬?????????????????4G LTE?????????????????????????78%??????????LTE???磬λ??????10???????LTE??????????????????49%??????????????????硣
????OpenSignal???????????????LTE??????????5????????????????????ù?????????Щ????????????????????????????????????????????????????????????????LTE?????
???????????Щ????????????????????????????????ù????97%?????????????LTE??????LG U+???????????У???????????????99.6%????????????????????????3G???硣????Olleh?????????????LTE?????????????????30Mbps??SK?????LG U+???λ????С?
??????Щ????????????????????????????????????????????????е?LTE???????????Carrier Aggregation??????????????????????????????????????????????????????
??????????????????????????????????????????????Verizon????串?????84%???????AT&T??81%????Sprint???64%??T-Mobile?????77%??
????T-Mobile??????Verizon??4G??????12Mbps??AT&T????8Mbps??Sprint?6Mbps????Щ??????????????????????????????1Mbps??