WI-I/O-2-E-N-GBL wireless networking I/O and Wi-Fi gateway accommodates multiple I/O nodes and extends communications to sensors and actuators in local, remote or difficult-to-reach locations. It includes a web-based user interface and a standards-based wireless protocol with a networking topology designed for simple use and configuration. It can provide IP-based networking across sprawling industrial environments and includes built-in I/O capability for digital and analog inputs and outputs. The unit provides secure two-way wireless communications for challenging indoor and outdoor industrial environments. The internal radio transceiver is designed to operate reliably even in applications with obstructed pathways using ProMesh redundancy protocol.