Features: 1. Networking Is Faster, Only 2 To 3 Seconds 2. Lower Power Consumption And Better Signal 3. Pin Header Leads To USB2.0 High-Speed Interface (Up To 480mbps) 4. Pin Header Leads To Serial Port 5. Plug In The 4G Antenna And Sim Card, And Use The Usb Interface Or Serial Port To Connect. Description: Product Name: 4G Full Network Module Material: PCB colour: As shown Different batches may have variations in product appearance, color, and printed text, but this will not affect its use. Package Contents: 3 x Full Netcom Module 3 x 12Pin Single Row Of Pins 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.