Fangrui Product Details Features: 1. The Luat Air780e Module Can Be Plugged Into The Computer And Used (only Supports Win10). No Driver Installation Is Required. 2. 4g Full Network, Adaptable To Different Operators. Applications Can Be Easily Built Through At Commands. 3. Networking Is Faster, Only 2 To 3 Seconds 4. Lower Power Consumption, Better Signal Usb2.0 High-speed Interface (up To 480mbps) 5. No Need To Install Drivers Product Name:full Network Module Board Size: About 30 X 45mm Material: Pcb Colour: As Shown The Appearance, Color And Printing Of The Product From Batch To Batch, But It Not Affect The Use. Package Contents: 1 X Full Network Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.