A Holybro extended-length cable for a DroneCAN GPS unit, 45cm long. DroneCAN is the CAN bus standard used to connect peripherals such as GPS and compass modules to a flight controller, and the advantage over a simple serial connection is that a CAN bus supports several devices on one two-wire pair and reports faults when a device drops off.
The 45cm length matters for GPS mounting specifically. A GPS and compass module has to be mounted away from the flight controller, the power wiring and the motors, because those all generate magnetic interference that degrades the compass reading. Putting the module on a mast or out on a boom is the normal solution, and it needs a cable of the right length to reach there — a standard-length cable is usually too short.
Supplied as five sets, and this listing is four packs — a workshop quantity.
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