The FM Antenna & AM Loop Antenna is designed for indoor use with a maximum range of 1.3 meters. It is compatible with Pioneer, Onkyo, Yamaha, and Marantz brand radios, offering a sleek black design at 6.69 x 4.72 x 0.51 inches in size. Made in China, this antenna weighs 2.46 ounces and specifically targets the FM band for optimal signal reception. Perfect for enhancing the quality of your HD radio experience at home.