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Si4461-B1B-FMR

SiLSi4461-B1B-FMR

MPN: SI4461-B1B-FMR
Silicon Labs
RF Transceiver +16/-116 dBm sub-GHz Transceiver
NRND34,980 in stock
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Overview

The Si4461-B1B-FMR is a high-performance, low-current EZRadioPRO sub-GHz RF transceiver designed for wireless applications in the ISM band. It features high sensitivity of -116 dBm and an output power of up to +16 dBm, making it suitable for long-range communication links. The device integrates a low-battery detector and temperature sensor to simplify system monitoring in battery-powered designs.

Why Choose This Part

The Si4461 offers an extremely low standby current of 50 uA and shutdown current of 30 nA, significantly extending battery life in remote sensors. It provides excellent RF performance with a narrow-band capability and a fast wake-up time, while the integrated 11-bit ADC and GPIOs reduce the requirement for external supervisory components.

Applications

Smart Metering
Ideal for gas, water, and electric meters requiring reliable long-range data transmission and low standby power consumption.
Home Automation
Used in wireless security systems, lighting control, and sensor networks within the 119-1050 MHz frequency range.
Industrial Telemetry
Supports remote monitoring and control of industrial equipment in harsh RF environments thanks to its high selectivity.

Getting Started

Development is supported through the Silicon Labs Wireless Development Suite (WDS) and the 4461-PCE14D868-EK evaluation kit. Engineers can configure radio parameters and generate header files using the WDS software, then interface the transceiver via a standard 4-wire SPI bus.

Also Consider

SX1276 LoRa Transceiver Semtech - Offers LoRa spread spectrum modulation for significantly increased range at the cost of higher complexity.

Categories

Wireless & Connectivity > RF Transceivers