Data Sheet
Table Of Contents
- 1 Introduction
- 2 Feature List
- Wide Operating Range
- Supported Protocols
- Dimensions
- Wireless System-on-Chip
- Security Features
- High-Receiver Performance
- Wide Selection of MCU Peripherals
- Low-Energy Consumption
- Regulatory Certifications
- 3 Ordering Information
- 4 System Overview
- 5 Certifications
- 6 Revision History
App Note Title
Application Note
https://www.lairdconnect.com/ 4
© Copyright 2021 Laird Connectivity
All Rights Reserved
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852-2762-4823
Figure 2: Module schematic
4.2 EFR32BG22 SoC
The EFR32BG22 SoC features a 32-bit ARM Cortex M33 core, a 2.4 GHz high-performance radio, 512 kB of flash memory,
a rich set of MCU peripherals, and various clock management and serial interfacing options.
4.3 Antenna
Lyra P modules include a ceramic chip antenna on board with the characteristics detailed in Table 2.
Table 2: Antenna information
Parameter With Optimal Layout Note
Efficiency -1 dB
Antenna efficiency, gain and radiation pattern are highly dependent on the application
PCB layout and mechanical design.
Peak gain 1.86 dBi
4.4 Power Supply
The Lyra P requires a single nominal supply level of 3.0 V to operate. All necessary decoupling and filtering components are
included in the module.
5 CERTIFICATIONS
This section details the regulatory certification status of the module in various regions. The address for the module
manufacturer and certification applicant is:
Laird Connectivity
50 South Main Street, Suite 1100
Akron, Ohio 44308
5.1 Qualified Antennas
Lyra P modules have been tested and certified with the on-board chip antenna. Performance characteristics for the chip
antennas are presented in Table 2.