The dominant pure-play passive-radar startup. Founded 2018; $100M raised in 12 months ($35M Series B, $65M Series C in Feb 2025), ~$500M valuation. Backed by DFJ Growth, Lockheed Martin Ventures, Booz Allen, Valor Equity. Detects 'dark drones' (no RF emissions) plus operator location. Title-18 compliant. Customers: U.S. Army / Air Force / AFRICOM / INDOPACOM / CENTCOM / NORTHCOM, federal/state/local. Revenue trajectory $5M (2024) to $25M (2025).
| Country | United States |
|---|---|
| Subcategory | RF / SIGINT detection |
| Price | Quote-based · HW or DaaS subscription |
| Subtype | Passive radar |
| Form factor | Vertically integrated |
| Use | Counter-UAS |
| Type | Passive |
| Sensor modality | Passive radar + RF DF |
| Notable partners | Lockheed Martin Ventures; Booz Allen; DFJ Growth; Valor Equity |
| Scan type | Passive |
| Mounting | Fixed/mast |
| Price band | Quote-based |
| Architecture | Distributed passive RF detection sensor network (HL1000); no active transmission, FCC-exempt |
| Output data | Position, Track ID, Classification |
| Active/Passive | Passive |
| Detection range (km) | 25 |
| Detection range (km) | 25 |
| Integration interfaces | Cloud / Data-as-a-Service API |
| Range vs RCS / target class | ~5 km urban, up to 25 km rural |