-
Cowin Lora Kav hlau txais xov Rau OBJEX Txuas S3LW integrates Wi-Fi, Bluetooth thiab LoRa ntawm IoT pawg thawj coj saib
Is Taws Nem ntawm Tej Yam (IoT) cov khoom siv muaj lub zog siab. Piv txwv li, lawv yuav tsum tau sau lub zog los ntawm lub hnub ci vaj huam sib luag thaum siv hluav taws xob tsawg li sai tau, los yog lawv yuav tsum tau tswj cov khoom siv hluav taws xob siab. Italian OBJEX engineer Salvatore Raccardi tau hais txog cov kev xav tau no nrog ...Nyeem ntxiv -
Internal WIFI 2.4G FPC Kav hlau txais xov rau Intel Z790 MEGA Motherboard Review MSI MEG ACE, ASRock Taichi Carrara, ASRock Steel Legend thiab Gigabyte AERO G - ASRock Z790 Steel Legend WIFI Motherboard
ASRock Z790 Steel Legend WIFI yog cov khoom tsim tawm loj uas tuaj hauv lub thawv ntawv txheem. Lub hauv ntej muaj lub ntsiab lus dawb thiab dub. Lub hauv ntej tseem teev cov kev txhawb nqa rau 13th tiam Intel Core processors, Polychrome SYNC, PCIe Gen 5, DDR5 thiab HDMI. Hauv qab ntawm lub pob qhia txog qhov tshwj xeeb ...Nyeem ntxiv -
Siv metasurfaces los txhim kho qhov nce thiab kev sib cais ntawm wideband PCB kav hlau txais xov rau 5G sub-6 GHz kev sib txuas lus systems
Qhov kev ua haujlwm no nthuav tawm cov kev sib txuas ua ke ntawm ntau qhov kev tawm tswv yim ntau qhov tso tawm (MIMO) metasurface (MS) wideband kav hlau txais xov rau sub-6 GHz thib tsib tiam (5G) kev sib txuas lus wireless. Qhov pom tseeb tshiab ntawm qhov kev thov MIMO yog nws txoj kev ua haujlwm dav dav, kev nce siab, me me intercomponent cleara ...Nyeem ntxiv -
Vim li cas thiaj muaj qhov sib txawv zaus sib txawv rau cov kav hlau txais xov sib xyaw ua ke?
Kaum xyoo dhau los, smartphones feem ntau txhawb nqa tsuas yog ob peb tus qauv ua haujlwm hauv plaub GSM zaus bands, thiab tej zaum ob peb WCDMA lossis CDMA2000 qauv. Nrog rau ob peb zaus bands xaiv los ntawm, ib qho kev kawm ntawm lub ntiaj teb no uniformity tau ua tiav nrog "quad-band" GSM xov tooj ...Nyeem ntxiv -
Dab tsi yog 5G NR Wave signal chain?
Millimeter yoj signals muab qhov dav bandwidth thiab cov ntaub ntawv ntau dua li cov cim tsis tshua muaj. Ua tib zoo saib tag nrho cov teeb liab saw ntawm lub kav hlau txais xov thiab digital baseband. Tshiab 5G xov tooj cua (5G NR) ntxiv millimeter yoj zaus rau cov khoom siv ntawm tes thiab tes hauj lwm. Nrog rau qhov no los ib qho ...Nyeem ntxiv -
TELUS thiab ZTE tso tawm 5G Internet rooj vag nrog 4G, 5G SA thiab NSA hom
ZTE Canada, tus thawj coj thoob ntiaj teb muab kev pabcuam turnkey network kev daws teeb meem thiab cov neeg siv khoom siv thev naus laus zis, tshaj tawm TELUS Connect-Hub 5G Internet Gateway. Txuas-Hub 5G ua kom yooj yim nkag mus rau hauv tsev hauv internet, los ntawm kev teeb tsa mus rau streaming hauv ib lub qhov muag. Txuas...Nyeem ntxiv -
Kev sib tw 5G Technology, millimeter Wave thiab Sub-6
Kev sib ntaus sib tua rau 5G thev naus laus zis txoj hauv kev yog qhov tseem ceeb ntawm kev sib ntaus sib tua rau ntau zaus. Tam sim no, lub ntiaj teb no siv ob lub zaus sib txawv los siv 5G tes hauj lwm, qhov zaus band ntawm 30-300GHz hu ua millimeter yoj; lwm qhov yog hu ua Sub-6, uas yog concentrated nyob rau hauv 3GHz-4GHz zaus ...Nyeem ntxiv -
Dab tsi cuam tshuam rau kev ua haujlwm ntawm GPS kav hlau txais xov?
Qhov zoo ntawm cov hmoov ceramic thiab cov txheej txheem sintering ncaj qha cuam tshuam rau kev ua haujlwm ntawm gps kav hlau txais xov. Ceramic thaj tam sim no siv nyob rau hauv kev ua lag luam feem ntau yog 25 × 25, 18 × 18, 15 × 15, thiab 12 × 12. Qhov loj ntawm thaj tsam ntawm thaj chaw ceramic, qhov ntau dua qhov dielectric tas li, qhov siab dua ...Nyeem ntxiv
