Placement Guidelines – Air Unit Cable Antennas

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Shahar Keren

This section describes recommended guidelines and best practices for optimal placement of the Air Unit vertical cable antennas.

  • Antennas Should Face the Ground: Both Air Unit cable antennas must be placed on the drone so that the antennas are pointing to the ground (vertical) when the drone is in flight. For example, as shown below:

    Figure 23. Antennas Should Be Placed so that they Point to the Ground

    Antennas Should Be Placed so that they Point to the Ground

Key

Description

1

Vertical Antenna

2

Vertical Antenna

  • Avoid Obstacles between the Antennas and the Ground Unit: Place the Air Unit cable antennas as low as possible in the drone in order to avoid line of sight obstacles between the antennas and the Ground Unit while the drone is flying.

  • Avoid Interference: Place the Air Unit cable antennas as far away as possible from other transceiver devices on the drone, especially from a transmitter in the 5 GHz band.

  • Avoid Proximity to Metal Objects: The antennas must be at least 7 cm away from any metal object, such as the landing gear or a battery. For example, do not tie the antenna directly onto the landing gear, even if it is made of carbon. The mounting accessories provided enable you to attach the antennas while maintaining the required distance.

  • Place the Antennas so That They Are Facing Outwards: Do not place the antennas facing the inside of the drone structure.

  • Place the Antennas so That They Are Still Facing the Ground When the Drone Takes Flight

  • Place the Antennas so That They Are Vertical (Pointing to the Ground), but Perpendicular: The following diagram shows an optimal placement option in which both antennas are facing different directions (perpendicular), achieving a 90° angle between them.

    Figure 24. Optimal Placement Examples

    Optimal Placement Examples

Note

Note: To achieve optimal transmission, you must also follow the Ground Unit placement requirements described in Placement Guidelines – Ground Unit.

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