ALLOWS TUNER TO RECEIVE PUREST SIGNAL POSSIBLEWIDE-BAND SETTING RECEIVES HARD-TO-GET AM/FM STATIONSPIN-DOT PRE-TUNING LOCKS IN SIGNALNON-CONDUCTION CIRCUITRY PREVENTS INTERFERENCE BETWEEN DISSIMILAR AM & FM ANTENNASSURFACE MOUNT AMPLIFIERUPC : 034405231004Shipping Dimensions : 8.50in X 6.75in X 4.00inEstimated Shipping Weight : 1.7563