A2004 Autopilot pack with A2004 controller, AC70 Autopilot computer, RF300 rudder feedback and HS70 GPS compass. A2004 Controller: The A2004 is a dedicated autopilot controller designed to meet the needs of professional mariners aboard a variety of commercial vessels. It features a proven Simrad interface, presented on a wide-angle and zero-fog color display. Engineered for responsiveness and ease of use, the A2004 pairs a precision rotary control dial with dedicated buttons for instant access to steering modes, a custom-configurable Work mode, and automated turn patterns. AC70 Autopilot Computer: for reversible motor or non galvanic isolated solenoids, 1 NMEA 0183 RX/TX port, T-connector, 2 m power network cable with terminator, 0.6 m pigtail male. Terminator 120 ohm male. Installation manual and mounting accessories. Supply 12-24 VDC. RF300 Rudder Feedback: with transmission link and 10 m (33 ft.) cable. The RF300 rudder feedback unit contributes towards smooth and accurate auto-steering by determining rudder angle. It is to be used as part of an autopilot system on boats with inboard engines. HS70 GPS COMPASS: Experience superior navigation from the accurate heading and positioning performance available with the HS70 GPS compass. The HS70 uses SBAS (WAAS, EGNOS, MSAS, etc.) for differential GPS positioning, providing a low cost and highly effective heading and position based smart antenna.