The Standard Horizon GSU-5H is a reliable GPS receiver specifically designed for marine use. Manufactured by Standard Horizon, this model is known for its accuracy and durability. With the manufacturer part number UXAGSU525D, this GPS device is a valuable accessory for boat owners looking to improve their navigation capabilities. Whether you are cruising along the coast or fishing in calm waters, the Standard Horizon GSU-5H ensures you can navigate confidently and efficiently.