mmwave sensor 12dBm Global frequency band Micro-motion millimeter – Ebyte Official Store - IoT Module Manufacturer
Ebyte E54 - 24LD12A mmwave sensor 12dBm Global frequency band Micro - motion millimeter 24GHz Millimeter Wave Radar Wireless Module - IOT Module Shop Manufacturer Factory
Ebyte E54-24LD Series 24GHz Millimeter Wave Radar Wireless Module 10/12dBm Global Frequency Band Micro-motion Millimeter Wave Sensor

Ebyte E54-24LD Series 24GHz Millimeter Wave Radar Wireless Module 10/12dBm Global Frequency Band Micro-motion Millimeter Wave Sensor

$1.78

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The Ebyte E54-24LD12A is an ultra-compact (20x20mm, 1.2g) 24GHz ISM-band millimeter-wave radar sensor featuring 12dBm transmitting power, high-performance 1T1R antennas, and a proprietary micro-motion algorithm for precise, plug-and-play detection of moving,... Read more

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product: E54-24LD12A

  • E54-24LD12A
  • E54-24LD12B
  • E54-24LD12C
  • E54-24LD12D
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SKU: N/ATags: 12dBm, 24GHz

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Description
The Ebyte E54-24LD12A is an ultra-compact (20x20mm, 1.2g) 24GHz ISM-band millimeter-wave radar sensor featuring 12dBm transmitting power, high-performance 1T1R antennas, and a proprietary micro-motion algorithm for precise, plug-and-play detection of moving, micro-moving, and stationary human bodies with visual configuration tool support.
Spec Category Parameter Dimension Technical Specifications (Ebyte E54-24LD12A)
Core Hardware Technology Type 24GHz Millimeter-Wave Radar (FMCW/CW)
Antenna Array 1T1R (1 Transmit, 1 Receive)
RF Performance Operating Frequency 24 GHz (Standard 24GHz ISM Band)
Transmitting Power 12 dBm
Physical Specs Form Factor Size 20 mm x 20 mm
Product Weight 1.2 grams (plus or minus 0.2 grams)
Functionality Detection Targets Moving, micro-moving, and stationary human bodies
Software Support Dedicated Visual Configuration Tool for parameter tuning
Deployment Mode Plug-and-play embedded integration

 

Parameter Minimum value Typical values Maximum value unit Remark
Specifications
Support frequency bands twenty four - 24.25 GHz Comply with FCC, CE, and committee-free certification standards
Supports maximum scanning bandwidth - 0.25 - GHz
Maximum equivalent omnidirectional radiated power - 12 - dBm -
Power supply voltage 3 3.3 3.6 In -
size - 20 * 20 - mm ±0.2mm
Ambient temperature -40 - 85 ℃ -
System Performance
Detection range (wall hanging) - 10 - m Exercise human goals
- 6 - m Exercise human goals
Detection range (top) - 5 - m Exercise human goals
- 4 - m Exercise human goals
Detection accuracy - 0.15 - m Moving target within 10m of straight line distance from the sensor
Average operating current - 50 - and -
Data refresh cycle - 100 - ms -
weight - 1.2 - g ±0.2g

Practical Application Scenarios

Scenario 1: Smart Home Automation and Energy-Saving HVAC Control

  • Regional Industry Pain Points: Traditional passive infrared (PIR) sensors only detect moving objects. If a user sits still reading a book or working at a desk, the PIR sensor registers no motion and turns off the lights or air conditioner, forcing the user to wave their hands to trigger the sensor again.

  • Ebyte Technical Solution: The E54-24LD12A millimeter-wave module uses high-frequency 24GHz radar technology to detect microscopic chest movements from human breathing. Even if a person is sitting completely still or sleeping, the sensor accurately identifies human presence, maintaining smart home scene lighting and HVAC operation until they physically leave the room.

Scenario 2: Interactive Smart Advertising Displays and Digital Signage

  • Regional Industry Pain Points: Retail digital screens in malls run continuously, wasting high levels of electricity and shortening backlight lifespan. If a camera-based system is used to trigger the screen upon visitor approach, customers become highly protective of their personal data, raising serious GDPR/privacy compliance issues in Europe and North America.

  • Ebyte Technical Solution: Operating on the license-free 24GHz ISM band, the E54-24LD12A acts as a zero-privacy-risk trigger sensor. When an approaching consumer crosses the detection threshold, the module sends an instant signal to wake up the smart display or trigger interactive advertisements. Since it uses radar waves rather than optical imaging, it fully complies with regional privacy regulations while offering instant, low-latency responsiveness.

Scenario 3: Smart Restroom Management and Elderly Fall Detection

  • Regional Industry Pain Points: Smart restrooms in airports and public facilities require occupancy monitoring to optimize cleaning schedules. Standard optical sensors fail in low-light or humid environments, and placing cameras inside private bathroom stalls is illegal.

  • Ebyte Technical Solution: The E54-24LD12A’s 24GHz radar waves easily penetrate non-metallic enclosures like ABS or acrylic casings, allowing engineers to conceal the module behind plastic ceiling panels. The sensor operates flawlessly in total darkness, steam, and high humidity, tracking when a stall is occupied by detecting the micro-motion of breathing, making it an ideal choice for sanitary and private facility automation.

FAQ Section

Q1: What is the benefit of the 24GHz ISM band over 10GHz or standard PIR sensors?

A1: The 24GHz frequency band offers a shorter wavelength, allowing the E54-24LD12A to detect extremely minute physical movements, such as the chest rise and fall of a breathing human. Traditional PIR sensors rely on thermal changes and require noticeable movement to trigger, while lower-frequency 10GHz radars have less spatial resolution and struggle to separate ambient environmental noise from micro-movements.

Q2: How does the Visual Configuration Tool help in setting up the radar module?

A2: Every installation environment is unique; objects like moving fans, wind-blown curtains, or pets can trigger false positives. The E54-24LD12A supports a dedicated Visual Configuration Tool. Engineers can connect the module to a PC to visualize real-time wave reflections, adjust detection boundaries, and fine-tune sensitivity levels to filter out background interferences, ensuring accurate human-only detection.

Q3: Can the radar signal penetrate walls or solid objects?

A3: Millimeter waves at 24GHz can easily penetrate thin, non-metallic obstacles such as drywall, plastic shells, acrylic panels, and glass. This enables hardware designers to fully conceal the E54-24LD12A inside the plastic housing of their product, protecting the electronics from outdoor weather elements or maintaining clean aesthetic lines without exposing any physical sensor lens.

Q4: Does the E54-24LD12A require complex code to parse radar signals?

A4: No. The E54-24LD12A has the human micro-motion sensing algorithm pre-compiled within its intelligent on-board firmware. It outputs clean, parsed detection data directly over standard serial pins, removing the need for local host MCUs to handle complex DSP (Digital Signal Processing) math, ensuring a fast, plug-and-play hardware integration.

Additional Information
product

E54-24LD12A, E54-24LD12B, E54-24LD12C, E54-24LD12D

Disclaimer：This product is strictly prohibited for use in military applications and scenarios related to life safety. The user shall be fully liable for any unauthorized use.

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Ebyte E54-24LD Series 24GHz Millimeter Wave Radar Wireless Module 10/12dBm Global Frequency Band Micro-motion Millimeter Wave Sensor

E54-24LD12A
E54-24LD12A
$1.78
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