The three-band signal repeater supports GSM, 3G, 4G, 5G, and Wi-Fi networks, covering 850/900/1700/1900/1800/2100 MHz, with a gain of 65-70 dB. This improves the signal level and coverage of various types of apartments, ensuring compatibility with all operator networks. It has obtained CE and FCC certification, complies with EU safety standards, and provides market access.