The Grandstream GXW4216 v2 is a high-density Gigabit FXS VoIP gateway designed to bridge the gap between traditional analog telephones and modern internet-based communication systems. It features 16 FXS ports, allowing you to connect a large number of analog devices to a SIP-based environment, which is particularly useful for businesses looking to maintain their existing phone hardware while upgrading to a VoIP infrastructure. Equipped with a 10/100/1000 Mbps Ethernet port, this gateway ensures fast and stable data transmission for high-volume voice calls. The device is housed in a black chassis and includes a monochrome LCD screen for easy status monitoring. For flexible installation, it can be mounted on a wall or installed in a standard server rack, fitting into a space of 44 cm in width, 18.5 cm in height, and 44 cm in depth. Weighing 2.4 kg and powered by a standard AC source, the unit comes ready for deployment with a power supply, power cable, network cable, and the necessary mounting brackets. This setup is ideal for office managers or IT specialists who need a scalable and reliable way to integrate legacy analog phones into a professional network.