Features: 1.M.2 Interface: The L850 GL is a LTE Cat9 high speed module, adopting M.2 interface, which is more stable and reliable. 2.Designed for Laptop: This 4G LTE network card supports LTE FDD, LTE TDD, WCDMA and more, suitable for Latitude 3500, 5300, 5400, 5401, 5480, 5490, 5500, 5501, 5580, 5590, 7300, 7390, 7400, 7480, 7490. 3.450Mbps Downlink: This laptop wireless card provides 450Mbps downlink speed. Support 2 x 2MIMO, 3CA combination and 2CA combination, also supports eSIM. 4.Wide Application: This L850 GL network module is widely applicable to gateway, industrial monitoring, telemedicine and other fields. 5.Plug and Play: This DW5820e network card adopts premium printed circuit board, plug and play. specification:Item Type: 4G LTE Network Card Material: Printed Circuit Board Wireless Technology: LTE FDD, LTE TDD, WCDMA LTE/4G Band: LTE FDD B1 / B2 / B3 / B4, B5 / B7 / B8 / bl1 / bl3 / B17 / B18 / B19 / B20 / B21 / B26 / B30, B66, LTE TDD: B38/B39/B40/B41 UMTS/HSPA/3G/WCDMA Band: B1/B2/B4/B5/B8 Interface: M.2 Data Rate Download Links: 385 Kbps (UMTS), 347 Mbps (LTE TDD), 450 Mbps (LTE FDD) Data Rate Uplink: 385 Kbps (UMTS), 30 Mbps (LTE TDD), 50 Mbps (LTE FDD) Operating Temperature: Minus 20 to 65 PackageList:1 x 4GLTENetworkCard