KEY-IOT (StarElink) SR700-D Enhanced Dual SIM 4G Industrial Router

The SR700-D is an enhanced dual-card 4G industrial router with upgraded industrial surge protection and wider temperature resistance. It supports dual-operator network backup, APN/VPDN private network access and full VPN protocol stack. Expanded multi-channel digital IO terminals, stable operation in harsh industrial environments, specially designed for outdoor power equipment, chemical pipelines and long-term unattended industrial monitoring scenarios.