FM-02 Omni-Directional AM / FM Amplified Stereo Antenna Excellent reception of standard and digital terrestrial radio signals. Receives HD Radio! Omni-directional design receives signals from all directions, minimizing re-adjusting. High performance low noise amplifier enhances reception quality. Connects to your stereo receiver, shelf or portable audio system that has an external antenna jack. Compact size and flat-panel profile minimizes required shelf space.