The Trail Rider kit with radio allows you to mount your V3 handheld radio to your dash or roll bar and use it like a mobile radio.'The included large ducky antenna helps increase range; while the battery eliminator makes sure you always have power to the radio.'This kit is perfect for Jeeps; Trucks; 4x4 vehicles; trail vehicles; ranch vehicles; or even a motor home where you might be traveling with a group of friends.