Amazon.com: NGFF M.2 4G 5G Module to USB 3.0 Adapter with Cooling Fan, Dual SIM Card Slot High Gain Antenna Auxiliary Power Supply,3042 3052 Model M.2 Key B : Electronics
Dual Sim Modem | 4G Modem with Sim Card Slot
Zbtlink Gigabit 4G Router Wifi Two SIM Card 1200Mbps Dual Modem Openwrt 4*LAN 2.4G 5.8GHz 8 Antennas Wi-fi Hotspot for 64 User - AliExpress
4G Cellular Router Mobile CAT6 Modem Dual-SIM Card Slot