Like the TV rabbit ears of old, but boosted to capture an abundance of over-the-air channels. Boasts an amplifier to strengthen broadcast signals (28 dB gain) and its own power supply (via USB). VHF: 174-230 MHz. UHF: 470-862 MHz. Generous 16' coaxial cable. Without telescoping antennae extended: 8" w x 5.75" h x 2.25" d; 16.75" with antennae,