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A camera or ultrasonic sensor can miss an obstacle in poor visibility, heavy dust, fog, or low light, right when collision avoidance matters most, which is exactly the gap a millimetre-wave radar sensor like the UAV-R121-1 closes. It detects obstacles by radio reflection rather than light or sound, staying reliable in conditions that would blind an optical sensor, and its UART interface makes it straightforward to wire into a flight controller or onboard computer for autonomous obstacle avoidance.
| Brand | Generic |
|---|---|
| Interface Type | UART |
| Model | UAV-R121-1 |
| Selling unit | PCS |
