Waveshare A121 60GHz mmWave Radar Module, High-Precision PCR

The A121 60GHz mmWave Radar Sensor Module uses cutting‑edge PCR radar technology to detect minute movements and calculate precise distances without requiring optical or ultrasonic sensors. With its small footprint, 3.3V operation, and support for UART, I2C, and GPIO interfaces, the module seamlessly integrates into embedded, robotics, and automation projects. Its durability and wide operating temperature range ensure dependable performance even in industrial environments. The Waveshare A121 60GHz mmWave Radar Sensor Module is an advanced motion and presence detection sensor based on Acconeer A121 Pulsed Coherent Radar (PCR) technology. Designed for high‑precision distance measurements and reliable micro‑motion detection, this compact radar module enables robust human presence sensing and proximity detection in smart systems, industrial automation, and IoT applications.

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Features:

1. 60GHz Pulsed Coherent Radar (PCR) for reliable motion & presence detection
2. Detects both human movement and micro‑motion (breathing, slight gestures)
3. High‑precision distance measurement capability with configurable sensitivity
4. Integrated ARM Cortex‑M4 MCU (STM32L431CBT6) for onboard processing
5. Supports UART, I2C & GPIO interfaces for easy system integration
6. Can be installed behind plastic or glass enclosures

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Package Includes:

1 x Waveshare A121 60GHz mmWave Radar Module, High-Precision PCR

1 x MX1.25 10PIN cable