$44 5G M.2 to Ethernet and USB converter takes M.2 5G PCIe

Waveshare "5G M.2 to Gigabit Ethernet converter, 5G M.2 to USB3 converter" is a single device designed to easily and cheaply add 5G connectivity to a LAN

m.2 News - CNX Software - Embedded Systems News

Ugreen expansion card adapter PCIe 4.0 x16 to M.2 NVMe M-Key black (CM465) - B2B wholesaler.hurtel.com

OWC 10G Ethernet PCIe Network Adapter

USB3.0 to NGFF M.2 Key B 4G 5G Modem Adapter Enclosure with SIM Card Slot – New Style - The Wireless Haven

M.2(M.2) 3G/4G/5G Module to Type C /USB 3.0 Adapter with NANO SIM card Slot

Ethernet Adapter Usb 2.0 To 10 100 Network Rj45 Lan Wired Adapter Compatible With Nintendo Switch Wii Wii U Macbook Chromebook Windows Mac Os Surface Linux Asix Ax88772A Chipset

StarTech.com 1 Port 10G PCIe Network Card - 10GBase-T / NBASE-T - RJ45 Port - Intel X550 Chipset - Ethernet Card - Network Adapter - Intel NIC Card (ST10000SPEXI) - network adapter - PCIe 2.0 - 10Gb Ethernet x 1

USB3.0 to NGFF M.2 Key B 4G 5G Modem Adapter Enclosure with SIM Card Slot – New Style - The Wireless Haven

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

Intel Ethernet Network Adapter X710-T2L - network adapter - PCIe 3.0 x8 - 100M/1G/2.5G/5G/10 Gigabit Ethernet x 2

5G M.2 to Gigabit Ethernet Converter, 5G M.2 to USB3.1, Aluminum Alloy Case, Wall-Mount Support, Quad Antennas, Onboard M.2 Key B Interface, USB3.1 Port, Options For 5G Module