SI4431-B1-FMR - Silicon Labs

Manufacturer Part Number

SI4431-B1-FMR

Manufacturer

Energy Micro (Silicon Labs)

Introduction

RF Transceiver IC for ISM band applications

Supports wide frequency range of 240MHz to 930MHz

Product Features and Performance

Operates on 1.8V to 3.6V supply voltage

Transmit power up to 13dBm

Receive sensitivity up to -121dBm

Data rates up to 256kbps

Supports FSK, GFSK, and OOK modulation

3 GPIO pins for flexible configuration

Low-power modes for power optimization

Product Advantages

Wide frequency coverage for global ISM band applications

High performance transmitter and receiver

Configurable GPIO for custom control and interface

Low-power modes for power-sensitive designs

Key Technical Parameters

Frequency range: 240MHz to 930MHz

Output power: Up to 13dBm

Receive sensitivity: Up to -121dBm

Data rate: Up to 256kbps

Supply voltage: 1.8V to 3.6V

Operating temperature: -40°C to 85°C

Quality and Safety Features

RoHS compliant

20-QFN (4x4) package

Compatibility

Suitable for a variety of ISM band applications

Application Areas

Wireless sensor networks

Home automation

Industrial control

Security systems

Telemetry

Product Lifecycle

Active product, no discontinuation plans

Key Reasons to Choose

Wide frequency coverage for global applications

High performance transmitter and receiver

Configurable GPIO for custom control

Power optimization through low-power modes

RoHS compliance for environmental sustainability