The BR-355 GPS Receiver can be utilized in a variety of applications that require a magnetic mounting with waterproof configuration. With non-slip on the bottom and the special compact design, the BR-355 is completely self-contained and waterproof. It incorporating the latest SiRF Star III GPS chipset and an active patch antenna so you receive a high degree of GPS accuracy. Typical application can include marine environments, aviation, commercial use such as fire truck, police cars and utility vehicles and buses. The extended 5 feet long cable allows for easy routing to your PC behind headliners and side panels and terminates to a custom PS/2 connector for interfacing with one of the available cable kits that is purchased separately.