The long-stare variant. A high-density power module and extended-efficiency rotors buy up to 90 minutes on station and a 45 km reach — a full patrol cycle of unbroken coverage.
The Sentinel T-90 pairs an ultra-high thrust-to-weight airframe with hardened autonomy, giving small teams persistent eyes where conventional aircraft simply cannot fly.
An extreme thrust-to-weight ratio lets the T-90 operate in rarefied air down to 20 kPa. With advanced avionics and constant IMU temperature control, it is rated for launch at 29,400 ft AMSL and a service ceiling of 36,000 ft — while remaining virtually undetectable with a near-zero radar signature and best-in-class ultra-low noise.
A Level 3 active ECM suite defends against GPS and radio jamming, working in tandem with a frequency-hopping command & control link. When the spectrum gets hostile, the T-90 keeps flying, keeps transmitting, and keeps its operator in command.
Uncompromised operations in difficult terrain while prioritizing troop safety. Cold-soak launch at −25°C from 29,400 ft, all-weather IP67 weatherproofing and rain-capable systems give commanders genuine flexibility across seasons and theatres.
Fully programmable waypoint navigation on pre-downloaded maps, auto-functions for payload, and custom hover-time per waypoint. Flight plans can be altered mid-flight — add waypoints, change altitude, or drop to manual for semi-autonomous or ECM flight modes — with self-arming, auto take-off and auto-landing throughout.
Most tactical quadcopters give up around 15,000 ft. The Sentinel T-90 launches from nearly twice that altitude — and still climbs another 6,600 ft.
An 11-TOPS onboard AI core turns the Argus 1200 from a camera into a sensor: it detects, locks and measures while the operator is still deciding where to look. Simultaneous stitched day + thermal, up to 9 colour palettes, full radiometric read-out.
ARGUS 1200 · COMBINATION SIGHT — ACTUAL UNIT
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The same smart integrated control architecture as KAT 9 Pro, built around a larger 10.1" Full HD display for maximum critical screen real estate — more room for the picture-in-picture map, live sensor feed and mission telemetry side by side, with dual-antenna FHSS diversity throughout.
KAT 11 PRO · 10.1" FHD · SENTINEL T-90
Specifications are subject to change without prior notice.
Every mission runs over a fully encrypted, secure digital link between aircraft and ground station — FHSS frequency-hopping with AES-grade channel encryption, so the mission map, live feed and telemetry can never be intercepted or spoofed mid-flight.
Raw airframe recording, cloud-deck transit — the Sentinel T-90 holds a stable platform through reduced visibility with no gimbal drift and no loss of link.
Flight-test footage, unedited. Coordinates and battery telemetry redacted for operational security; airspeed, altitude and flight-time readouts left intact.
| Max Flight Endurance *1 | 75–90 minutes |
| Max Radio Range *2 | 45 kilometres |
| Max Launch Altitude (AMSL) | 29,400 ft (8,961 m) |
| Service Ceiling (AMSL) | 36,000 ft (10,974 m) |
| Max Speed | 94 km/h |
| Max Climb Rate | 3.6 m/s |
| Wind Resilience | 72 km/h |
| ECM Suite | Level 3 Active ECM |
| Operational Temperature | −55°C to +65°C |
| Weatherproofing | IP67 · rain capable |
| Cockpit Video Link | 1080p Full HD (1920×1080) |
| Payload Tilt Angle | +15° to −90° |
| Over Range / Link Loss / Low Battery | Auto-Home |
| Transmission | Wide-band UHF · auto frequency hopping |
| Optical Payload | Argus 1200 AI combination sight |
| Ground Controller | KAT 11 Pro (10.1" Full HD display) |
| SKU | KLMPST90001 |
*1 : Negligible winds, continuous cruise until critical landing. *2 : Clear line of sight, no interference.
Specifications subject to change.
Persistent Overwatch · Technical Brochure
See the T-90 in action — request a briefing or live flight demonstration for your unit.
Specs, pricing, briefings or live flight demos — reach the Sentinel team directly.