U.S. Startup Hunts FPV Drones Using Sound Alone

A Boise, Idaho company called Talon Avionics has built a counter-drone system that doesn’t start with radar. It starts with microphones. The SECTR platform uses AI-powered acoustic sensing to detect, track, and physically destroy hostile FPV drones before traditional sensors even register the threat, as Militarnyi reports.

How SECTR Works

The system is built around the SECTR-IK-02 interceptor station, a modular launch platform arranged in a 10×10 grid that holds up to 100 interceptor drones. A single operator runs the whole thing from one control station.

The platform mounts on a vehicle or deploys as a fixed position, which makes it viable for convoy escort, forward operating base defense, and critical infrastructure protection.

Detection starts with a proprietary acoustic array that picks up drone motor signatures at distances up to about 330 feet. That doesn’t sound like much until you consider the context. FPV drones are small, fast, and often invisible to conventional radar at close range.

The acoustic layer catches them first, giving the system a head start. Integrated radar then provides wider surveillance starting around 660 feet, with plans to extend that range to roughly 3,280 feet by Q2 2027.

Each interceptor weighs just about 1.5 lbs including its launch tube, and measures roughly 4 x 4 x 10 inches. When the system identifies a threat, the entire sequence from detection to launch completes in under one second. That’s not a typo. Talon Avionics claims the full detect-classify-launch cycle happens faster than a human could react.

The Acoustic Edge

The real innovation sits inside each interceptor drone. Every unit carries an array of 16 microphones that scan the airspace in all directions, forming a narrow acoustic beam to isolate the sound signature of a hostile drone. An onboard AI model then separates the target’s motor noise from the interceptor’s own engines and ambient wind. That distinction is critical. Without it, the interceptor would chase its own sound.

This approach gives SECTR a specific advantage against what Talon Avionics calls “sleeper drones,” threats pre-positioned near roads or terrain that power up only when vehicles or troops get close. Because the acoustic sensors pick up motor signatures the instant they start, the system generates a warning before radar even registers the threat. Seconds matter in that scenario, and SECTR is designed to convert those seconds into a kill.

Talon Avionics co-founder Michael Mayer-Rosa has emphasized that the passive acoustic detection layer emits no signals at all. That means the system doesn’t give away the position of the unit it’s protecting. Traditional counter-drone systems that rely on radar or RF emissions can inadvertently broadcast the location of the very forces they’re defending. SECTR avoids that trade-off entirely.

The company claims a single-interceptor kill probability of 95% or higher, a top speed of about 85 mph, and a maximum flight time of five minutes per engagement. The interceptor uses kinetic, non-explosive impact to destroy its target. It’s designed to counter FPV and reconnaissance drones weighing up to about 2.2 lbs.

SECTR Specs at a Glance

The SECTR-IK-02 station supports up to 100 launch tubes in its full configuration. When loaded out, it can sustain continuous operations for up to 24 hours on a single battery charge. The operating temperature range spans from -40°F to 185°F, covering extreme cold and desert heat.

Talon Avionics has already reported partnerships in the U.S., Poland, and Saudi Arabia, and the company opened a seed funding round in March 2026 to finalize production tooling and scale the platform. The system is manufactured entirely in the United States, with plans for localized production where allied partners need it.

One notable gap in the company’s public disclosures: Talon Avionics hasn’t released unit pricing, production timelines, or confirmed customer contracts. The system is still in active development, and the 1,000-meter radar range remains a target for Q2 2027 rather than a delivered capability.

DroneXL’s Take

Here’s what nobody is saying out loud, the counter-drone economics problem just got another potential answer, but the hard questions remain open.

SECTR is an interesting concept. Using passive acoustic detection to find drones before radar does is clever engineering, and the idea of a fully autonomous launch-detect-kill cycle completing in under one second is impressive on paper. The 16-microphone beamforming array on each interceptor is a genuinely novel approach to terminal guidance. If it works as advertised, it solves a real problem.

But there are legitimate questions Talon Avionics hasn’t answered yet. The acoustic detection range of 330 feet is extremely short. In a real battlefield scenario with ambient noise from vehicles, gunfire, and multiple drone threats arriving simultaneously, that 330-foot acoustic window shrinks fast.

The company’s radar integration is supposed to compensate, but even that tops out at 660 feet right now with the 3,280-foot capability still over a year away.

The 95% kill probability claim also needs battlefield validation. Lab conditions and real-world performance in contested environments with electronic warfare, weather, and multiple simultaneous threats are very different animals.

Ukraine’s interceptor drone programs have demonstrated kill rates around 70% in actual combat, and those systems have had years of iterative refinement under fire. SECTR hasn’t faced any of that yet.

Then there’s the cost question. Talon Avionics hasn’t disclosed pricing, which means we can’t evaluate whether SECTR actually solves the cost-per-engagement problem that makes traditional counter-drone systems unsustainable.

A Coyote missile runs $100,000 to $150,000 per shot. Ukraine’s Sting interceptor costs about $2,100. Where SECTR falls on that spectrum matters enormously, and the company isn’t saying.

The concept is promising. The need is real. But promising concepts need battlefield testing, transparent pricing, and confirmed orders before they deserve more than cautious interest. Talon Avionics is a seed-stage startup, not a proven defense contractor. The distance between a compelling demo and a deployable system that troops trust with their lives is measured in years and hundreds of millions of dollars.

Photo credit: Talon Avionics