Unlocked 4G LTE Modem Wireless Router USB Dongle Mobile Broadband WIFI SIM Card USB router - Walmart.com
LINOVISION Rugged and Versatile Cellular Router & 4G DTU with RS232, Industrial 4G LTE WiFi Router with Dual SIM Cards Slot | LINOVISION US Store
Amazon.com: Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port : Electronics
Simple Wifi RS232 Modem V2 - Etsy Sweden
Modem - Wikipedia
Simple Wifi RS232 Modem v2 from HAL's friends on Tindie
Cellular Modems - ModemMillie - H2trOnics
DVA-2800 TalkBox 2800 - Dual Band Wireless AC1600 Gigabit ADSL2+/VDSL2 Modem Router with VoIP | D-Link
Amazon.com: Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port : Electronics
US Robotics Modem 56k "Sportster Flash" - from circa 1995 : r/vintagecomputing
Linksys CG7500 AC1900 Dual-Band Modem WiFi Router | Linksys: US