Amazon.com: NGFF(M.2) Key B to USB 3.0 Adapter with SIM 6pin Slot for WWAN/ LTE Module : Electronics
Amazon.com: EXVIST 4G LTE Industrial M.2(NGFF) to USB3.0 Adapter W/Nano SIM Card Slot Work with 4G LTE Module Like Quectel EM05 EM06 etc. Applicable for M2M & IoT Applications Like Raspberry Pi
4G LTE Internal Modem Card MDG200-M2 - Protectli EU
5g 4g Module Modem Wireless Adapter Card Ngff M.2 B Key To Usb Type-c Connector One Nano Sim Slot With 4 Antennas - Pc Hardware Cables & Adapters - AliExpress