Apartfromthethreemainupdates,theLTEversionisalmostthesameasthe2Gversion.If
yourprojectisusingthe2Gversion,itwouldbeveryeasytoupdatetotheLTEversionbecause
wehavepreparedtransplantableandexpansibleATcommandlibrary.TheArduinoandGrove
compatibilityallowsforquickerdevelopmentthroughnumerouslibrariesandasupportive
community.TheGPSlibrarywhichwillbeavailablewiththeboardisnotjustlimitedtoArduino
–itcanfunctionjustaswellifyouchosetodevelopinC/C++.Withtheonboard6Grove
connections,developerscancreateanycombinationofour180+sensorsandactuatorstobuild
projectandsolveanyproblem.Simplifyingtheprototypinganddevelopmentphaseisourgoal.
TheWioLTEiswellsuitedforoutdoorprojectswherethedevicecanconnecttotheGPS
satellitesandprovideareal‐timelocationoftheitemitisattachedto.TheLTEprovidesawide
bandwidthwhichallowsmuchfasterinteractionbetweentheuseranddevice.Ifyouaregoing
tobuildprojectslikeabicyclesharingservice,trackingpetsorlivestock,locatingavehicle,or
evenkeepingtrackofachild,theWioLTEisthebestsolution.
Note:
ThisistheAUversionofWioLTE,andthereareintotal4differentversions.Hereisatableto
showthemaindifferencebetweendifferentversions.Formoredetailinformation,pleaserefer
tothismanual.
https://github.com/SeeedDocument/Bazzar_Attachment/raw/master/102990837/Quectel_EC21_Hardware_Design_V1.4.pdf
Versions LTEBands 3GBands GSM GNSS
US FDD:B2/B4/B12 WCDMA:B2/B4/B5 / GPS/GLONASS/Beidou/Com
pass/Galieo/GZSS
EU FDD:B1/B3/B5/B7
/B8/B20
WCDMA:B1/B5/B8 900/1800 GPS/GLONASS/Beidou/Com
pass/Galieo/GZSS
AU FDD:B1/B2/B3/B4
/B5/B7/B8/B28
WCDMA: B1/B2/B5/B8 850/900/18
00/1900
GPS/GLONASS/Beidou/Com
pass/Galieo/GZSS
JP FDD:B1/B3/B8/B1
8/B19/B26
/ / /
B2bandonEC21‐AUmoduledoesnotsupportRx‐diversity.