The Antronix Advance Residential Amplifier MRA 1-15 is a gray RF amplifier designed for residential use. This unit has one input and one output, making it ideal for splitting TV signals from cable or antenna sources. This amplifier is compatible with various types of coaxial cables and is sure to enhance your TV viewing experience. The model number MRA1-15 indicates its specific design and functionality, catering to your needs for signal amplification in a residential setting.