Thank you for viewing. This is a car film antenna that came out during a warehouse cleanup. I believe it's a genuine accessory from ALPINE, but there's no model number or other information listed. The connector shape is a square gray connector compatible with Alpine and Clarion. If you know more details and can tell from the images, please consider it. I opened it for the purpose of taking photos. Please judge the condition from the images. Those seeking a perfect new item or those who are overly sensitive, please refrain from purchasing to avoid any problems. Shipping is free. For those who understand the above, thank you for your purchase.