AWS signal?
AWS signal?

Video: AWS signal?

Video: AWS signal?
Video: AWS CloudFormation - cfn-signal 2024, Kaum ib hlis
Anonim

Advanced Wireless Services ( AWS ) yog lub wireless telecommunications spectrum band siv rau lub suab thiab cov ntaub ntawv kev pabcuam, video, thiab kev xa xov. Cov kev pabcuam no yog tsim los siv los ntawm cov khoom siv mobile xws li xov tooj wireless rau lub suab, cov ntaub ntawv, thiab kev pabcuam xa xov.

Ua li no, AWS ua haujlwm railway li cas?

Qhov system ua haujlwm los ntawm tsheb ciav hlau nrhiav cov sequences thiab polarities ntawm magnetic teb hla ntawm cov cuab yeej khiav thiab cov tsheb ciav hlau cov khoom siv ntawm lub receiver nyob rau hauv lub tsheb ciav hlau . Ntau chav tsheb ciav hlau muaj tus txais ntawm txhua qhov kawg.

Tom qab ntawd, lo lus nug yog, AWS thiab PCS yog dab tsi? Broadband Personal Communications Service ( PCS ) yog nyob rau hauv 1850 - 1990 MHz spectrum ntau yam. Cov kev pabcuam zoo sib xws suav nrog 700 MHz Service, Advanced Wireless Service ( AWS ), 800 MHz Cellular, thiab Specialized Mobile Radio (SMR) Service.

Ib yam li ntawd, dab tsi band yog AWS?

AWS (advanced wireless services) yog lub wireless telecommunications spectrum band siv rau cov ntaub ntawv xov tooj ntawm tes thiab cov kev pabcuam suab, kev xa xov thiab video. AWS ua haujlwm ntawm 1700 MHz thiab yog lub xov tooj ntawm tes digital uas muaj kev pabcuam hauv thaj chaw uas cov neeg nqa khoom tsis muaj cov ntawv tso cai xov tooj cua zaus.

AWS 3

AWS - 3 yog suav nrog bands 1755 txog 1780 MHz thiab 2155 txog 2180 MHz. Cov band npaj rau AWS - 3 suav nrog peb blocks: thaiv GHI ntawm 1755 txog 1770 MHz thiab los ntawm 2155 txog 2170 MHz, thaiv J1 ntawm 1770 txog 1775 MHz thiab 2170 rau 2175 MHz, thiab thaiv J2 ntawm 1775 txog 1780 MHz thiab 2175 MHz.

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