Comprehensive Connectivity: This NGFF Key-B to USB 3.0 adapter card features a built-in SIM card slot and supports 3G/4G/5G network cards. It's ideal for testing and deploying mobile broadband solutions. Enhanced Data Transfer: Experience the blazing-fast data transfer rates of integrated USB 3.0. It's ideal for applications requiring high-speed internet access anytime, anywhere. Wide Compatibility: This adapter is compatible with a wide range of WWAN modules, offering versatility for developers and professionals in the mobile communications field. Built-in card slots: Nano (SIM) card slot x 1 NGFF KeyB card slot x 1 Module fixing screw hole x 1 Product interface: USB 3.0 Adapter card plug-and-play, no driver required (excluding module) Color: Black Material: PCB Package Contents: 1 * adapter board 1 set * screws + screwdriver (Colors and styles are random, no specified colors and styles are accepted) 4 * Antenna 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.