EFR32FG1V131F64GM48-C0R

RF Transceiver ICS Overview

The EFR32FG1V131F64GM48-C0R is a Sub-GHz RF System on Chip (SoC) from Silicon Labs' Flex Gecko family, designed for low-power IoT applications. It integrates an ARM Cortex-M4 core operating at up to 40 MHz with 64 kB of flash memory and 16 kB of RAM. The device supports multiple Sub-GHz frequencies including 169, 315, 433, 490, 868, and 915 MHz. Key electrical parameters include a maximum output power of 16.5 dBm, a receive sensitivity of -126.4 dBm, and a maximum data rate of 500 kbps. It operates within a voltage range of 1.85 V to 3.8 V, with typical current consumption of 7.6 mA during reception and 34.5 mA during transmission.

RF Transceiver ICS Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with substantial memory resources for complex application logic.
• Features ultra-sensitive Sub-GHz radio transceiver optimized for long-range communication in noisy environments.
• Supports flexible multi-frequency operation across global Sub-GHz ISM bands for worldwide deployment.

RF Transceiver ICS Applications

• Smart metering and utility infrastructure monitoring
• Industrial wireless sensor networks and telemetry
• Home automation and smart security systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'C0R' against the manufacturer's official datasheet to confirm package type, temperature grade, and tape-and-reel configuration. Ensure compatibility with existing PCB footprints and thermal management requirements. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Confirm that the selected variant meets all regulatory certifications required for your target market frequency bands.

RF Transceiver ICS Selection Notes

Select this model when long-range Sub-GHz connectivity is prioritized over higher data throughput. The -126.4 dBm sensitivity offers superior link budget compared to standard variants. Consider the 64 kB flash limit for firmware size; larger applications may require external memory or a different Flash capacity variant. Evaluate the QFN48 package dimensions against strict space constraints in compact enclosures.

RF Transceiver ICS Part Context

This component belongs to the EFR32 Flex Gecko series, targeting cost-sensitive and battery-operated IoT devices. It shares the same core architecture as other FG1V variants but differs in memory size and package options. The Sub-GHz focus distinguishes it from Bluetooth or Zigbee-only counterparts within the broader Flex Gecko portfolio, providing dedicated optimization for proprietary long-range protocols.

RF Transceiver ICS Replacement Considerations

Direct substitutes include EFR32FG1V131F64GM48-C0 (non-reel version) or EFR32FG1V131F128GM48-C0R if additional flash memory is needed. Verify pin-to-pin compatibility and software library support before swapping. Higher performance alternatives like the EFR32MG21 series offer more features but differ in package and power characteristics.