Features: 1. This adapter is specially designed for converting 5G/4G/3G wireless M.2key B USB 2.0 module into desktop/laptop with full/half mini card slot. You can insert M.2 cards (Socket 2ssi-base WWAN), such as GSM, HSPA (3.5G), GPS, and LTE cards into this adapter 2. Allow users to use M.2 socket -based WWAN module mPCle slot in desktop or laptop computers. 3. Supports 2GGSM, GPRS, 3G, CDMA, WLAN, WWLAN, HSPA modem, GPS, 4G, 5G, WiMAX, LTE, Mini Card to desktop M.2 card (Socket 2 -base WWAN) USB 2.0 interface. 4. Support single NANO SIM card push connector. (Applicable to version with SIM card slot) 5. No additional power supply required; supports 3030/3042/3050/3052 type M.2KEYB card size. Description: 1.Model: MPCEM2B-N01 2. Interface: MINI PCI-E TO M.2 NGFF KEY-B (for network card only) 3. Support size: Support 30/42/50/52 size network card 4. Interface speed: The slot supports PCI-E1X+USB2.0 signal 5. Product size: about 69.6mm x 30.4mm 6. Working environment: -5~70℃ 7.Supported systems: Depends on the system support of the installed network card Specification: A: without SIM Material: PCB colour: As shown Package Contents: 2 x Adapter Card 2 Set x Screw Mounting Accessories 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.