Amazon.com: Ableconn MPEX-134B Mini PCIe Adapter with M.2 Key B Slot - Support USB/PCIe/SATA Based M2 B Key or B-M Key Module for Mini PCI Express : Electronics
Amazon.com: M. 2 NGFF Key B to Mini PCI-E Adapter with SIM Card Slot for Module to Motherboard Mini PCI-E : Electronics
M.2 B Key to Mini PCI-E 5G modules PINS compatible Adapter Converter Card with SIM Card Slot for Quectel, Telit, SIMCom etc. Size 3050, USB 3.0 support