DIN-Rail mountable industrial 4G LTE router takes 9V to 36V DC power input - CNX Software
Amazon.com: USR-DR502-E Wide Range 4G LTE Cat 1 Modem 9-36V Cost-Effective DIN-Rail with Sim Card Slot Support RS485 Serial Port Built-in 35 Mm DIN Rail Seat (with Adapter) : Electronics
USR DR502 E DIN-Rail 4G LTE Cat 1 Modem | IOTNVR US
ICG-2510W-LTE-US Industrial 4G LTE Cellular Wireless Gateway with 5-Port 10/100/1000T(LTE Band B2/B4/B12) - Planet Technology USA
Amazon.com: USR-DR502-E Wide Range 4G LTE Cat 1 Modem 9-36V Cost-Effective DIN-Rail with Sim Card Slot Support RS485 Serial Port Built-in 35 Mm DIN Rail Seat (No Power Supply) : Electronics
GSM USR-DR504-G Din Rail RS485 Industrial Modems, -40 - 95 Deg C
DIN Rail-Mounted Wireless Routers | DIN Rail WiFi Routers
Industrial 4G LTE WiFi Router with SIM Card Slot, 4G VPN Router, Indus | Linovision Global Store
DIN Rail Kit - 5G LTE External Modem (IDG450) - Protectli EU