Pixhawk Digital Airspeed Sensor + PX4 Board - What is the output?

What is the output of this sensor? (Is it CAN, ARINC429, are there different options for output?)

From my understanding, the Pixhawk PX4 Board needs to be in close proximity to the sensor, but I am trying to have this wing mounted. Does it affect the output at all if I were to connect a long CAN output wire, for example, from the wing to the cockpit of the plane?

Also, I was told that the .84 Pa resolution can be converted to knots. Do you know how this is possible?