KEY-IOT (StarElink) SR500 2-LAN 4G Full Netcom Industrial Router

The SR500 is a compact and cost-effective 4G industrial router tailored for IoT remote transmission. It supports full-network 4G LTE communication, features 2 Gigabit LAN ports and reserved RS485/RS232 serial interfaces. Adopting industrial metal casing, wide voltage DC power supply and DIN rail mounting design, it supports multiple VPN protocols and MQTT industrial protocols. It is widely applicable to smart cabinet monitoring, environmental data collection and low-bandwidth industrial remote upload scenarios.