Emerson Antenna Eliminator/Amplifier (Discontinued by Manufacturer) Emerson # EAN3000. Antenna or CATV amplifier for TV and FM frequencies, 30 - 850 MHz. Two-position switch for High or Low Gain (20dB or 5dB). Plugs directly into a standard 120Vac outlet. Coax F-connectors are provided for ANTENNA-IN and two OUTPUTs. Disclaimer: This device is advertised as an antenna eliminator / amplifier. Designed for use with CATV systems, it is supposed to give cable TV subscribers a way to receive airborne TV signals by turning your home electrical wiring into a giant antenna. We don't claim that ability for the unit. We only claim its usefulness as an antenna/ cable amplifier.