Where RF Becomes Intelligence
Scalable, AI-enabled radar and battery-free RF sensing platforms for critical infrastructure and IoT.
The Problem & Our Solution
The Problem: Traditional sensors break down in the real world. They are limited by power, deployment practicality, and connectivity. Cameras fail in fog, darkness, smoke, and clutter.
The Solution: Radio waves already fill every environment and can sense what optics can't. At RFisense, we turn radio frequencies into real-time intelligence.
We build the entire stack, RF hardware, embedded systems, signal processing, and AI, to deliver zero-maintenance, all-weather intelligence. We are not just a single sensor. We are a scalable platform.
Our Prototypes
Technology Readiness Level 6 to 7. Fully integrated and validated prototypes, tested in real-world environments.
AIRaD: AI Radar for Drone Detection
Portable X-band radar system with real-time signal processing and deep learning-based classification. Enables reliable, autonomous detection of drones and payloads in complex environments.
- X-band Radar: Works day and night and in adverse weather.
- Deep Learning: Autonomous classification of drones and payloads.
- Portable: Battery-powered, lightweight, and rapidly deployable.
- Target Markets: Airports, Prisons, Borders, Critical Infrastructure.
Passive Platform for Versatile Wireless Sensing
Battery-free, chipless RF tags powered wirelessly. Uses second harmonic generation to transmit sensor data, eliminating self-jamming and enabling continuous operation.
- 100% Battery-free and Chipless: Zero maintenance required.
- Second Harmonic Generation: Avoids conventional backscatter self-jamming.
- Versatile: Supports any resistive sensor (temperature, light, gas, weight).
- Target Markets: Industrial IoT, Smart Agriculture, Healthcare, Space.
Why RFisense
We deliver field-proven RF sensing that combines military-grade performance with commercial-grade cost and power.
- Reliable drone detection and deployment in any environment
- Ultra-low maintenance and battery-free sensing solutions
- Portable, scalable, and cost-efficient systems
- Strong technical barriers based on RF, signal processing and AI expertise
Built by Researchers.
Not the Obvious Ones.
We build real systems, not just concepts. Combining deep research with hands-on engineering to deliver deployable RF technologies.
Daniel Escadas
Electronics Engineer focused on AI-driven radar systems and signal processing. Experienced in developing end-to-end pipelines, from data acquisition and real-time processing to deep learning-based classification and field validation. Passionate about turning complex RF data into reliable, deployable intelligence.
Gonçalo Martins
Electronics Engineer specializing in hardware design and PCB development for RF and embedded systems. Experienced in schematic design, low-power electronics, PCB layout, and system integration, with a strong focus on building robust, reliable hardware platforms for real-world deployment.
Partner With Us
We have two fully integrated prototypes validated outside the lab, demonstrating our capacity to transform advanced research into reliable products.
We are currently seeking strategic partners and pre seed investment to scale pilots and accelerate market entry.
If you're exploring pilot projects, collaborations, or early deployments, we'd be happy to connect.