The Halo S12(3-pack) by TP-Link is a white, dual-band mesh Wi-Fi system designed to provide extensive wireless coverage throughout your home. It operates on both 2.4 GHz and 5 GHz frequencies, supporting top Wi-Fi standards including Wi-Fi 5 (802.11ac), as well as 802.11a, 802.11g, Wi-Fi 4 (802.11n), and Wi-Fi 5 (802.11ac). This ensures a fast and stable internet connection for various devices. Each unit of the mesh system features internal antennas and has dimensions of 88 mm in width, 88.5 mm in depth, and 89 mm in height, making it compact and easy to integrate into any room setup. The system is powered by an AC adapter with an output voltage of 9 V and a current of 0.85 A. Designed to maintain functionality in a range of temperatures, the system operates effectively between 0 and 40°C and can withstand storage temperatures from -40 to 70°C. Humidity tolerance ranges from 10 to 90%, ensuring performance stability under various environmental conditions. This mesh system is an effective solution for enhancing Wi-Fi coverage across multiple rooms.