UWB-Radar 7.9_M

P(Presence) + S(Intrusion) + A(Activity)

Umain’s brand-new module product of UWB Radar Sensor (7.9Ghz) specialized in simple presence detection.



Lead time

Please send your inquiry to sales@umain.co.kr


UWB-Radar 7.9_M is our brand new product as the module product type in miniaturized size and competitive price. It is specialized for presence (occupancy) detection in a specific area. It  judges an occupancy status accurately even in breathing-only, no-movement condition, without invading privacy at all.
  • Easy to integrate with other devices
  • Module product type - including monopole antenna
  • Contactless radar technology prevents your privacy
  • Judges an occupancy status accurately even in a breathing-only, no-movement condition
  • presence, activity, intrusion detection without cameras
  • Integrated algorithm firmware is available upon request


  • Algorithm firmware can be customized to your application depending on your order quantity
  • Additional algorithm firmware will be available in order


Main ChipFPGA
Center Frequency Frequency7.9 GHz
Detecting Range50cm
Supply Voltage5V
Max Current ConsumptionMax 20mA
Output PowerMax -41.3dBm
Operating Temperature range-10°C ~ +45°C
Detecting RangeMax : 10m

Presence & Intrusion & Activity : 4~5m
Size(Radar Module)46 mm x 46 mm
Antenna TypeMonopole antenna
Antenna AngleX-Z Plane : 360˚

Y-Z Plane : 60˚
Antenna GainXZ Plane : 4.91(min.) dBi

YZ Plane : 4.66(min.) dBi

Product Composition

천둥 시리즈 (with antenna), 블루투스 안테나1 EA

UWB-Radar 7.9 Series Assembly Tutorial

Please refer this video when you assembly the provided products

Let’s watch this

How to use

Contactless Vital Signs Detection

Umain’s UWB-Radar Sensor Application

Areas of Application

Inspection Area

  • Airport safety inspection with radar sensors
  • Detecting dangerous materials using signal processing
  • Real-time inspection

Non-contact Medical Device

  • Detecting respiration and heart beat
  • Provides sanitary and stable medical operation environment
  • Applicable to connect into medical image processing

Millitary Scan Device

  • Detecting landmine and bomb
  • Auto Robot Sensor
  • Maximize the probability of Detecting

Underground Facilities Detection

  • Scanning the under roads
  • Scanning the water supply pipess
  • Detecting sinkholes

Emergency Device

  • Search for missing people in disaster area
  • New Convergence Technology for the safety and emergency

Firefighting Field

  • Detecting life and body signal
  • Robust and stable under any conditions

Automation Equipment

  • Factory Automation

Monitoring Intrusion Status

  • Real-time invader tracking system
  • Indoor location system with multi radar sensors