Intellian i6 Installation And Operation User Manual page 5

Built-in GPS
Intellian i6/i6P/i6PE has an embedded GPS, which allows for the system
to upload the GPS data automatically into the system for an even faster
and stable system.
Built-in automatic skew angle control system
The automatic skew control system allows Intellian i6P/i6PE to maintain
the optimal skew angle at all times and ensure maximum level of
satellite signal level.
Wide elevation angle
Intellian i6PE is primary designed for receiving satellite signal at polar
regions with its wide elevation angle design. With an extra pointing
angle, the i6PE can track satellite from -15° to +90° elevation.
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