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SI4460-B1B-FMR

SiLSI4460-B1B-FMR

Silicon Labs
IC RF TxRx Only General ISM < 1GHz 119MHz ~ 1.05GHz 20-VFQFN Exposed Pad
59,389 in stock

Overview

The SI4460-B1B-FMR is a high-performance, low-current sub-GHz transceiver designed for the 119 MHz to 1.05 GHz frequency range. Part of the EZRadioPRO family, it offers exceptional sensitivity of -126 dBm and supports advanced modulation schemes including 4GFSK and GFSK for robust wireless links.

Why Choose This Part

This transceiver features ultra-low power consumption with a shutdown current of 30 nA and a standby current of 50 nA. It supports high data rates up to 1 Mbps and provides high output power up to 13 dBm, ensuring reliable communication over extended distances.

Applications

Smart Metering
Ideal for utility meters requiring long-range communication and multi-year battery life.
Home Automation
Used in wireless security systems, garage door openers, and lighting control within the ISM bands.
Industrial Telemetry
Reliable data links for remote sensor monitoring in harsh RF environments.
Remote Keyless Entry
Low-power wake-on-radio features make it suitable for automotive and building access fobs.

Key Specifications

GPIO 4
Type TxRx Only
Frequency 119MHz ~ 1.05GHz
Modulation 4GFSK, GFSK, GMSK, OOK
Sensitivity -126dBm
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Power - Output 13dBm
Data Rate (Max) 1Mbps
Voltage - Supply 1.8V ~ 3.6V
Serial Interfaces SPI
RF Family/Standard General ISM < 1GHz
Current - Receiving 10.7mA ~ 13.7mA
Operating Temperature -40degC ~ 85degC
Current - Transmitting 18mA
Supplier Device Package 20-QFN (4x4)

Getting Started

Development is supported via the Silicon Labs Wireless Development Suite (WDS) for easy configuration of radio parameters. Engineers typically start with the 4460CPCE10E434M or 4460CPCE10E915M pico board evaluation kits to test range and power consumption.

SI4460-B1B Family

Also available as: SI4460-B1B-FM

Also Consider

SX1276 Semtech - An alternative for applications requiring LoRa modulation for even greater range at lower data rates.