Presence Detection Evaluation Kit
Experience the precision and efficiency of LE-UWB™ with the Presence Detection Evaluation Kit. Purpose-built for accurate characterization and accelerated system validation, the platform enables reliable beaconing and Time-of-Flight ranging consuming just 95 µW at a 4 Hz update rate.
Validate Presence Detection with LE-UWB™
Modern access control, smart environments, asset awareness, and connected healthcare demand presence detection without compromising precision, responsiveness, or power efficiency. The SPARK Presence Detection Evaluation Kit demonstrates how LE-UWB™ combines reliable beacon detection, precise Time-of-Flight ranging, and ultra-low-power operation in a platform designed for rapid evaluation and system validation.
What's included
Available through Digi-Key in two configurations, the complete Evaluation Kit includes all the hardware required for full system validation, while individual test tags enable seamless expansion to multi-node evaluation setups.
Complete Evaluation Kit
- 1 EVK with Diversity Antenna
- 1 EVK with Monopole Antenna
- 2 Evaluation Tags
- SR1120 LE-UWB™
- STM32G0 MCU
- LIS2DW12TR Accelerometer sensor
- User and Boot buttons
- USB communication
- Presence Detection firmware demo pre-installed
- Rechargeable Battery included in the EVKs
- CR2032 Coin Cell in Tags
Evaluation Tag
- SR1120 LE-UWB™ transceiver
- PCB Micro-antenna
- 30×40 mm form factor
- LIS2DW12TR Accelerometer sensor
- User and Boot buttons
- USB communication
- RGB led indicator
- Compact for realistic deployment scenarios
- CR2032 non-rechargeable battery included
Operation Modes
Beaconing Mode
OPERATIVE RANGE
Few cm – 20 m (LOS)
Power
30 µW
SAMPLE Rate
4 Hz
The test tag periodically transmits short LE-UWB™ beacon packets at a configurable update rate. The anchor board detects these transmissions to determine whether the tag is present within the defined coverage area. Between beacon events, the tag remains in a low-power state, enabling persistent presence detection for battery-powered and energy-harvesting applications.
Time-of-Flight Ranging Mode
Precision
±30 cm (LOS)
Power
95 µW
SAMPLE Rate
4 Hz
Discovery Mode automatically initiates Time-of-Flight ranging to measure the distance between the anchor and tag with high precision. The entire discovery and transition process is handled natively by LE-UWB™, with no BLE link, secondary radio, or external coordination mechanism required. Ranging is activated only when needed, preserving energy while enabling accurate and responsive distance measurement.
What you can evaluate?
People & Asset Tracking
Precise location and proximity awareness for people, tools, equipment, and valuable assets.
Access Control
Proximity-aware identification and authorization for people, pets, vehicles, and connected devices approaching controlled access points.
Immersive Experience
LE-UWB™ enabled wearables can activate personalized content and location-aware interactions as guests move through theme parks and entertainment venues.
Patient & Equipment Tracking
Real-time location and proximity awareness for patients, medical personnel, and critical equipment, supporting safer and more efficient clinical workflows.
Collision Avoidance
Precise distance measurement between people, vehicles, and equipment enables timely proximity alerts in dynamic operating environments.
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