SLmX4 - UWB Radar Module
SLmX4 - UWB Radar Module
SLmX4 - UWB Radar Module

SLmX4 - UWB Radar Module

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Module Description

The SensorLogic SLMX4-Base and SLMX4 Elliptical Patch Antenna Module (SLMX4-EPAM) is an Ultra-wideband (UWB) radar-based, two-piece health module intended for integration into larger monitoring systems, or for use as a standalone health monitor.

It is a low power, yet powerful computing system with an array of other sensing technologies and multiple communication options. The module has an antenna set designed directly into the PCB stack for ease and miniaturization, without the need for cumbersome connectors and cables.

A server-based firmware for MATLAB integration and rapid algorithm development is also available.  It boasts an ARM M7 MCU with room to grow for augmented features and applications. All documentation can be found on its companion Github page: SLMX4-Github 

Common applications include presence detection, proximity sensing, respiration monitoring, sleep monitoring, and HVAC control. Modules can be combined to create sensing arrays for people tracking and foot-traffic flow.


  • Health Sensing
    • Presence
    • Respiration (+/- RPM)
    • Movement detection and type
    • Range: 5 meters
    • Optional peripheral sensors:
      • ALS
      • Temp
      • Humidity
  • Environmental Sensing
  • Communications
    • WiFi + BLE
    • USB
  • Visual Indicators
    • RGB LED
    • Red + Green LEDs


  • X4 SoC Transceiver
    • CF = 7.29 GHz
    • BW = 1.4 GHz
  • Differential planar antenna embedded in the PCB
    • 3-5 dBi over frequency
  • NXP i.MX RT1060 Cortex-M7 Crossover MCU
    • 3020 CoreMark/1284 DMIPS @ 600 MHz
    • Real-time, low-latency response as low as 20 ns
    • 1MB On-Chip SRAM
  • 1.8V Power Distribution System, i.e. very low power
    • High efficiency switching regulator(s)
    • USB Type-C connector
  • 16 MB NOR Flash 
  • 8 MB SDRAM
  • Optional peripheral sensors:


  • Power: 120 mA @ 5V (via micro-USB cable)
    • 0.6 W continuous (duty cycled for low power)
  • Temperature Range: 0 - 85 C
  • Size: 60 mm x 18 mm Height (including USB connector)
  • Interfaces:
    • USB
    • Wi-Fi
    • BT

Firmware Options


All documentation can be found on its companion Github page: SLMX4-Github