A welcome addition to the family, the DX-3021L9 is the first DIACloud VPN router that has built-in digital I/O and is 4G compatible. It is also 100% compatible with the Delta DIACloud platform, allowing users to enter the IIoT world and to have remote control easier than ever before. Think of applications that need to be controlled and managed from remote locations – this router is a beneficial addition to your product portfolio.