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Laird Connectivity's Lyra Series

Bluetooth 5.3 Modules


Laird Connectivity and Silicon Labs have joined forces to deliver the Lyra Series Bluetooth 5.3 modules. Benefit from SiLabs’ hardware, software, and tools and Laird’s value-added application software, services, certification, and support capabilities for a fully comprehensive development solution for battery-powered IoT devices.


Lyra Series Key Features

  • Based on Silicon Labs’ EFR32BG22 SoC
  • Bluetooth 5.3 / Bluetooth LE
  • Powerful Core Cortex-M33 (512 kB Flash/32 k RAM)
  • Long-range (Coded PHY) & 2MPHY support
  • Enhanced operating temperature (-40oC to +105oC)
  • Hostless and hosted operation
  • Widest range of MCU peripherals
  • PCB or SiP hardware options
    • Integrated antennas on both options
    • Lyra S also supports multiple additional pre-certified antennas
  • Three firmware options
    • AT Command Set
    • Wireless Xpress
    • C Code
  • Laird Connectivity's value-added support and services
  • Fully featured development k

Lyra P - PCB Module

  • +8 dBm Output Power
  • 12.9 x 15.0 x 2.2 mm
  • Integrated antenna

Lyra S - SiP Module

  • +6 dBm Output Power
  • 6 x 6 x 1.1 mm
  • Integrated antenna or external via pinout
  • Pre-certified range of antennas

Everything needed to start Bluetooth LE development

  • Integated Segger J-Link debugger
  • Lyra S version - MHF4 connector for off board antenna options
  • Selectable HW switch for FW option
  • USB Micro B - power
  • Buttons & LEDs
  • Mini Simplicity connector (on base)
  • Mikrobus connector
  • Qwik connector


Laird Connectivity’s Lyra Series Bluetooth 5.3 modules integrate Silicon Labs’ EFR32BG22 SoC for the ultimate Bluetooth LE development resource. Benefit from reduced costs, simplified development, and accelerated time to market with this feature rich solution.


Technical Resources