5G Private Networks for Manufacturing: What They Mean for Industrial IoT in 2026
· 9 min read
Every major IIoT conference in 2025 and 2026 has had at least one vendor breathlessly promoting 5G private networks as the future of manufacturing connectivity. "Ultra-reliable low-latency communication! Network slicing! Massive machine-type communication! One million devices per square kilometer!"
The hype is real. But so is the technology — when applied to the right use cases. The problem is that most manufacturers don't need a 5G private network. They need reliable, low-latency connectivity to their PLCs. And for the vast majority of factory IIoT deployments, existing cellular (4G LTE) and industrial Ethernet already deliver that.
Let's separate the genuine use cases from the marketing noise.