Spec i fic at i ons Har dwar e Wi r el es s Ot her s I nt er f ac e: Bandc onfigur at i on: Dat as er v i c e; Voi c eSer v i c e; 4xRJ 45( GE, 1xWAN/ LAN, 3xLAN) FDDLTEBand1, 3, 7, 8, 20, 28 WebUI ; ZTELi nk ; FOTA/ TR069( Cus t omi z ed) 2xRJ 11( FXS, CSFB/ VoLTE/ VoI P( Cus t omi z ed) ) TDDLTEBand38, Fi r ewal l ; I PV6/ V4; 1xSI M Sl ot( 2FF) ; UMTSBand1, 8 VOI Ps uppor t ed 2xSMA( Ex t er nal Ant enna) GSM QuadBands LTECAT6+802.