COLORCASTER PLUS SMALL SYSTEM AMPLIFIER - 82 CHANNEL - FREQUENCY RANGE: 54-216, 470-890 MHZ - 4 OUTPUTS - INPUT AND OUTPUT IMPEDANCE: 300 OHMS - PROVIDES LINEAR AMPLIFICATION OF TELEVISION SIGNALS GIVING VIVID COLOR AND SHARP CRISP BLACK AND WHITE TV - EXHIBITS HIGHER INPUT AND OUTPUT CAPABILITY, LOWER NOISE FIGURES, HIGH GAIN AND LIGHTNING PROTECTION - ALSO FEATURED IN THESE AMPLIFIERS ARE FM BAND FILTERS WHICH REDUCE THE ENTIRE FM BAND BY 12 DB - THIS FM REDUCTION PLUS THE X-TRA OUTPUT CAPABILITY ELIMINATES THE POSSIBILITY OF FM OVERLOAD, EVEN IN THE STRONGEST FM AREA - LIGHTNING PROTECTION CIRCUITRY IS DESIGNED INTO THE UNITS TO PROTECT THE AMPLIFIERS FROM STATIC BUILDUP OR LIGHTNING - FOR INDOOR USE