In a difficult reception area? The RCA Digital Signal Preamp for Outdoor Antennas can help you out of this bind. It will improve the performance of an outdoor TV antenna, extending the signal reception range. RCA-brand digital signal preamplifiers are designed specifically to improve the performance of outdoor antennas in low signal strength areas, extending antenna range to give you the most channels and best reception possible. RCA preamplifiers are engineered for digital signals, so they outperform old preamps made for analog.