One of the main problems on the Internet of Things is heterogeneity. One of them is diversity in communication protocols. Generally, we will need one gateway for each existing protocol which causes inefficient communication networks. With these problems, we propose to build a hybrid network infrastructure using the Multi-Protocol Gateway system, this allows existing gateways to accept more than one protocol. This system is divided into two parts, hardware and software. For hardware systems, we use a single board processor equipped with the necessary transceiver modules. Our software system uses Python scripts to manage all backend processes, MySQL as data storage, PHP as a web server and Progressive Web Application (PWA) web application so that all devices get the same experience. We also provide a dashboard on the gateway to show and ensure that all data from different protocols can be received simultaneously in real-time. As a result, the gateway we developed can receive all data from four different protocols. We also evaluate the performance of the gateway by testing hardware capabilities by measuring the transmit time and Packet Delivery Ratio (PDR). The result shows that all c
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