Modirum | Gespi’s Ahti UAV is an autonomous, multi-role quadcopter with a 60-minute flight endurance and an operational range of up to 52.5 km. It forms part of the Ahti UAS—a flexible, mission-ready system that includes ruggedised ground control laptops and ground-based antennas. Together, they enable BVLOS (Beyond Visual Line of Sight) operations and high-bandwidth communications, delivering near real-time FMV (Full Motion Video) transmission from air to ground.
Standard features of the Ahti UAV include:
The Ahti UAV is engineered for operational durability. Its components and electronics are shielded against environmental stressors, allowing reliable performance in high temperatures, wet conditions, salt-air environments, and windy terrain.
For flexibility, the communication, camera, and GPS subsystems can be replaced with customer-preferred configurations, ensuring adaptability to specific mission requirements.
Range | 52.5 km |
Endurance | Up to 60 mins (at cruise speed, including take-off and landing) |
Propellor Size | 22” |
Battery Type | Li-ion |
Weight | 13.9kg (with EO sensor payload and batteries) |
Autopilot System | CubePilot ‘The Cube’/Ardupilot |
GNSS Types Supported | GPS L1C/A, GLONASS L1OF, BeiDou B1I |
Positioning Accuracy | 3D FIX: 2.5 m / RTK: 0.025 m |
GNSS Update Rate | 8Hz |
Operating Temperature | -40 to +85 °C |
Environmental | IP67 |
Weight | 48.8g |
Frequency | 2.232 GHz |
Bandwidth | 10 MHZ |
Range | 150.66 km (with 10m mast) |
Operating Temperature | -40 to +85 °C |
Environmental | IP65 |
Weight | ~200g (without antennas) |
Electro-Optical (EO) Capabilities | |
Resolution | 1280 x 720 or 1920 x 1080 resolution for visible imaging |
Zoom | 40x optical zoom with 2x digital zoom (up to 80x total) |
Field of View | Wide 60° |
Infrared (IR) Capabilities5 | |
Resolution | LWIR uncooled (8-14 μm) thermal sensor with 1280 x 720 resolution |
Zoom | 8x digital zoom, continuous, for thermal imaging |
Field of View | 17.5° W.FoV |
Gimbal Stabilisation | |
LOS Stabilisation | Provides precise stabilization of less than 50 µrad |
Field of Regard | 360° pan (non-continuous) and tilt from -45° to +135° |
Operating Temperature | -20 to +55 degrees C |
Environmental | IP65 |
Weight | ~715g |
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