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The RangeGuard system provides object detection and distance measurements using
continuous wave radar sensors. These operate on a licence-exempt Short Range
Device basis at 24.15GHz. The system comprises a control box, up to four sensors and
a graphical user interface which can be accessed from any device connected to the
same network. The sensors are typically positioned around the outside of a vessel and
connected to the control box via standard Cat5e Ethernet cable up to a maximum length of
100m; longer cables can be made using cable with additional cores.
The sensors have a fixed elevation beam width of 11° (+/-5.5°) and two options of azimuth
beam: 11° (Narrow Beam) and 90° (Wide Beam). Each sensor measures the range to the
nearest obstacle by default or to a selected obstacle if preferred.
System Overview
RangeGuard Display - the user interface - is run from a web browser. It is recommended
that either the user interface supplied by Guidance Marine or else Google Chrome are
used. Other browsers will work but without guarantee. Once the control box has been
connected to the network, type its IP address (default 192.168.2.231) into the web browser
address bar and the user interface will appear in Bird’s Eye View.
