Industrial Versatile Cellular Router & 4G DTU supports RS485 & DI & DO | HINO
LINOVISION Industrial 5G Cellular Router with Dual 5G SIM Cards and RS232/485 IoT Integration,Gigabit Ethernet, WiFi 5G/4G and GPS | LINOVISION US Store
OR-600 Dual Sim 4G LTE-A Cellular Router Cat 6 with High Power WiFi - Omni-Range
Amazon.com: TAKTIKAL 4G LTE-A Cat12 Pro Unlocked Dual-Band OpenWRT Sim Card Router with 3X Carrier Aggregation - Plug and Play Connection on AT&T, T-Mobile, & Verizon : Cell Phones & Accessories
Embedded Works - Teltonika RUT950 4G/LTE Mobile Modem | Dual SIM Slot | 802.11n | Global
LINOVISION Industrial 5G Cellular Router with Dual 5G SIM Cards and RS232/485 IoT Integration,Gigabit Ethernet, WiFi 5G/4G and GPS | LINOVISION US Store
Amazon.com: 4G VPN Router, Industrial Dual Sim 4G LTE WiFi Router 3G/4G Yeacomm YF325 Wireless Modem Router Unlocked with Sim Card Slot,B2/4/5/12/13/17/66/71 US Full Frequency Band Supported : Electronics