Features: 1.Professional Design: The T99W175 5G network module is a data card solution that provides wireless wide area network (WWAN) for Lenovo machines with stable connections 2.Multiple Protocol: Support 5GNR (less than 6G), LTE, UMTS (HSDPA, HSUPA, HSPA DC) to connect HSPA+ and GPS, for Gloonass, for Beidou, for Gileo protocols. 3.Broad Compatibility: Thanks to the unique combination of performance, security and flexibility, this wireless network module is ideal for many applications. 4.Plug and Play: The 5G wireless network module supports MGFF M.2 interface, plug and play, easy to install. 5.Supported Machines: X1 for Nano Gen 1, X1 for carbon 9th gen, X1 for extreme 4th Gen X1 for Yoga 6th Gem, X1 for Titanium (Type 20QA 200QB). specification:Item Type: 5G Network Module Material: PCB 5G: FR1(Sub 6G): LB: n5 8 12 20 28 71; MB:n1 2 3 66 HB: n7 38 41 77 78 79 FR2(mm Wave): NA 4x4 MIMO: n1 2 3 66 7 38 41 77 78 79 UE Capability: UL(TBD); DL(TBD) 4G: Support Frequency Bands: LB:B26(5 18 19) 8 12(17) 13 14 20 28 29 71 MB:B1 2(25) 3 4(66) 32 HB:B7 30 34 38 39 40(Disable for FCC) 41 42 48 4x4 MIMO: B1 25(2) 3 66(4) 7 30 40 41(38) 42 48 LAA: B46(DL only) LTE Cat: ue CategoryUL 13(UL:150Mbps) ue CategoryDL 20(DL:2Gbps); 7xDL CA,2xUL CA(Intra band),5xDL CA+4X4 MIMO (Up to Cat20) Supported Machines: X1 for Nano Gen 1 X1 for Carbon 9th gen X1 for Extreme 4th Gen X1 Yoga 6th Gem X1 for Titanium (Type 20QA 200QB) PackageList:1 x 5GNetworkModule