M12 waterproof Ethernet connectors for outdoor LED screens, quarterly orders of 2,000-3,000 units.
A Shenzhen LED display manufacturer uses daisy-chain Ethernet connections between outdoor full-color screen panels. They originally used RJ45 connectors with plastic plugs — these rusted and corroded in outdoor conditions, causing signal loss and flickering within months, especially in coastal areas with salt spray.
We recommended M12 D-coded 4-pin industrial Ethernet connectors as the replacement. M12 features a metal housing with threaded locking, IP67 dust/water protection, and corrosion-resistant contacts — far superior to RJ45 in outdoor environments. D-coded is purpose-designed for 100 Mbps Ethernet, compatible with PROFINET and other industrial protocols.
Two coastal projects in Shenzhen and Hainan tested the M12 solution — zero signal issues over a full year. The quarterly maintenance previously required for RJ45 was completely eliminated. Current quarterly orders: 2,000-3,000 units, used across both the Shenzhen headquarters and Huizhou factory.