Features: brand new and high quality Product interface: Mini PCI-E USB 2.0 System support: Win7/8/10 32/64bit /for Mac MINI PCI-E 4G module, support standard interface. 3>Support multiple 4G module stacking to realize more applications. 4>The module can be opened and closed through the GPIO jumper. For Raspberry pi 3G/4G/LTE network adapter card. Specifications: Product interface: Mini PCI-E USB 2.0 Colour: Black Material: PCB Size: approx 85 x 55 x 25mm/3.35x2.16x0.98in Fit for: For Raspberry pi 3G/4G/LTE Network Adapter System support: Win7/8/10 32/64bit /for mac Note: Only the above package content, other products are not included. Note: Light shooting 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 0-2cm. Package includes: 1 PCx Expansion board 1 PC x Screwdriver 1 PC x Data cable 1 Set x Screws