3G/SMS USB dongle allows the Gateway to send SMS notifications to your device and/or to connect the gateway to the internet for receiving push notifications on ZigBoat App (Sim Card not included). ZigBoat™ is an innovative wireless system for monitoring and interacting with your boat either remotely or while on board ensuring safety and peace of mind with no monthly fees or subscriptions. The ZigBoat™ sensors must be connected to the ZigBoat™ Gateway and send you push notification, if the gateway is connected to internet. Thanks to ZigBee and Wi ~Fi wireless technologies, which have direct communication with onboard sensors without the need for a cloud, ZigBoat™ sends real ~time push notifications when critical events occur. Using the ZigBoat™ app, you can check boat information that is being monitored by the system. ZigBoat™ is: EASY PLUG & PLAY ZigBoat™ is easy to install and use. No cable needed. Just Plug & Play for wireless remote control & monitoring of your boat LATEST GENERATION TECHNOLOGY Based on WiFi and ZigBee wireless technologies for fast and easy connection with the onboard sensors and managed by the ZigBoat™ iOS or Android App SAFE AND RELIABLE The ZigBoat gateway uses direct, encrypted and real ~time Peer ~to ~Peer connection platform to communicate with your mobile devices (smartphone and tablet) and have boat control anytime and anywhere FLEXIBLE, MODULAR AND EVOLVING ZigBoat offers several sensors and features to meet your specific needs, quickly and easily manage and configure via the App. The system can be integrated and expanded with unlimited additional sensors