Features: 1.Support CAT16 1Gbps maximum download speed 4G module, support for windows10 system. 2.The frequency coverage is wide, almost covering the whole world, providing support for most operators in the world. 3.With M.2 interface, conforms to the standard and has powerful performance. 4.Small size, easy to carry and store, convenient to use and with good performance. 5.High safety factor, with strict quality control and quality assurance, can be used with peace of mind. specification:Item Type: Wireless Network Card Module s: Only for Dell Inspiron 7490 laptops Chipset: For Intel XMM7560 LTE FDD: LTE FDD: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66 LTE TDD: B38 / 39/40/41/42 UMTS: Band 1, 2, 4, 5, 8 Size: M.2 package Size: Approx. 30.0 x 42.0 x 2.3mm / 1.2 x 1.7 x 0.1in 4-band DL 5CA, DL 256QAM support DL-MIMO: 2 x 2, 4 x 2, 4 x 4 DL 4x4 MIMO: Band 1, 2, 3, 4, 7, 30, 40, 41NB, 66 LAA (Zone 46) Integrated GNSS eSIM interface support Working Voltage: 3.135V~4.4V, typical 3.3V Working Temperature: -10℃~+55°℃ Storage Temperature: -40℃~+85℃ AT Command Set: 3GPP TS 27.007 and 27.005, proprietary FIBOCOM AT commands TX Power: -FDD&TDD LTE: 23dBm -WCDMA: 23.5dBm Receiving Sensitivity: FDD&TDD LTE: -98dBm~102dBm Data -FDD And TDD LTE: 1Gbps DL (Cat 16), 150Mbps -UL (Cat 13, 2CA In the band) -UMTS / HSPA+: 42Mbps DL (Cat 24), 11.5Mbps -UL (Cat 7) Interface -USIM: 3V / 1.8V -PCIe -BodySar Driver: For Windows 10 How to Use: 1. Use a small screwdriver to open the back cover of the laptop, and find the wireless network card (the wireless network card is a square, and there are two black and white wires connected. There are two small screws) 2. Use a screwdriver to unscrew the two fixed screws, put them aside, and save them. 3. Remove the old wireless network card and replace it with a new wireless network card, follow the original disassembled route to return to the installation, and fix it. 4. Then boot up and install the driver automatically. PackageList:1 x Network Card