This is a used OEM radio antenna amplifier module for the rear right side of a Nissan 370Z Coupe manufactured between 2009 and 2020. The module has OE/OEM part numbers 282311ET0A / 28231-1ET0A and manufacturer part numbers 276073001 / 276-0730-01, EP1446DC / 1775142. It is black in color and was made in China. The placement on the vehicle is rear right.