Asus TM-AC1900 T-Mobile AC1900 Wireless Gigabit RouterSeamless Connectivity and Uncompromising Security Introducing the T Mobile (AC 1900) By ASUS Wireless AC1900 Dual Band Gigabit Router, engineered to prioritize your T Mobile Wi Fi Calling voice traffic, ensuring optimal voice quality. Expand your connectivity with advanced security features and expansive coverage, perfect for large homes and multiple devices. Specifications: Wireless Standard: 802. 11ac dual band Frequencies: 2. 4 GHz and 5 GHz