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Ultra-Compact. Ultra-Low Power. Reliable Human Presence Detection.
2026-11-06
Author: EARDATEK
Meet Eardatek’s ERD-RS211NAA 24GHz Radar Sensing Module, designed to bring reliable presence detection to space-constrained and battery-powered smart devices.
With an ultra-compact 12 × 8 mm footprint and an exceptionally low operating current of just 0.02 mA, it makes radar sensing easier to integrate into products where space and power consumption matter.
Key Features
✔️ Ultra-Compact Design: 12 × 8 mm for space-constrained devices
✔️ Ultra-Low Power: 0.02 mA operating current, ideal for battery-powered applications
✔️ Breathing Micro-Movement Detection: Detects subtle movements caused by human breathing, enabling reliable detection of stationary occupants.
✔️ Reliable Performance: Enhanced anti-interference algorithms for more accurate detection
✔️ Flexible Detection Range: Up to 8 m, with adjustable sensing distance
✔️ Easy Integration: UART / I²C / IO interfaces
Ideal Applications
Smart Control Panels · TVs & Displays · Smart Pet Feeders · Pet Water Dispensers · Automatic Litter Boxes
Making advanced radar sensing possible in smaller, smarter, and more power-efficient devices.
📩 Contact us: marketing@eardatek.com
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