Metra Amplified Hide-Away Antenna, Standard Packaging Features: Replacement Amplified Hide-Away Antenna for AM/FM Bands Active magnetic-type antenna. Works on the magnetic field associated with a conductor excited by a microwave. Voltage pickup is Nanovolts, but with the magnetic type circuitry it extracts a signal with a superior signal-to-noise ratio. Description: Replacement Amplified Hide-Away Antenna for AM/FM Bands. Active magnetic-type antenna. Works on the magnetic field associated with a conductor excited by a microwave. Voltage pickup is Nanovolts, but with the magnetic type circuitry it extracts a signal with a superior signal-to-noise ratio. 102 Inch Coaxial cable and power supply wire Replacement Amplified Hide-Away Antenna for AM/FM Bands Active magnetic-type antenna. Works on the magnetic field associated with a conductor excited by a microwave. Voltage pickup is Nanovolts, but with the magnetic type circuitry it extracts a signal with a superior signal-to-noise ratio. 102 Inch Coaxial cable and power supply wire. Gain FM -0. 6 db AM – 2/4db. Payment: We accept PayPal and all major credit cards. “Buy It Now” items require immediate purchase. Shipping: Most items ship within 1 business day of received payment. Shipping is free unless you upgrade your shipping speed at checkout. You will receive tracking information within 48 hours of shipment. Returns: If you need to return your purchase, please do so within 30 days of receiving your item. Please contact us for an RMA number. We will not accept returns without an RMA number.