- Dual-SIM routers automatically fail over to a secondary carrier if primary cellular tower signal degrades.
- Carrier-Grade NAT prevents direct inbound connections; edge routers must initiate outbound encrypted VPN tunnels to central SCADA.
- Using MQTT Sparkplug B reduces monthly cellular data consumption by up to 90% compared to continuous polling.
Flow Ctrl Tech Engineering: Turnkey industrial automation, PLC programming, SCADA development, HMI, fieldbuses, and IIoT architectures. Contact our engineering center at [email protected] or phone +91 91110 91005.