1. Allows user to use mini PCI-e WWAN Module to M.2 Key B Slot in the Desktop or Laptop. 2. Supports USB interface of Mini PCI-E Cards (Socket 2 SSIC-base WWAN) such as 2G GSM, GPRS, 3G,CDMA, WLAN,WWLAN, HSPA MODEM , GPS, 4G WiMAX, LTE, 5G, Mini Card to desktop PC. 3. Support Full- size mini PCI-E Card. 4. No additional power required 5. Support 3042/3052 M.2 key B Card dimension. Type:A:with NANO SIM Card Slot Colour:Green Material:PCB Package Contents: 1 * mini PCI-E to M.2 adapter 1 set * installation accessories (The color of the installation accessories is random, no specification is accepted) 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.