RFM31B-868-D

RF Receivers Overview

The RFM31B-868-D is a Sub-GHz RF receiver module from the RF Solutions brand, operating within the 848MHz to 888MHz ISM band. It utilizes FSK, GFSK, and OOK modulation techniques to ensure reliable data transmission. The module features a receiver sensitivity of -121dBm and supports a maximum RF data rate of 256kbps. Designed for low-power applications, it operates on a voltage range of 1.8V to 3.6V DC. The component employs an SPI interface for host communication and is housed in a 14-DIP package with a height of 5.9mm.

RF Receivers Feature Summary

• Supports FSK, GFSK, and OOK modulation schemes for standard compatibility
• High receiver sensitivity of -121dBm for improved link reliability
• Integrated crystal oscillator providing stable frequency output
• SPI interface enables straightforward integration with microcontrollers

RF Receivers Applications

• Wireless alarm and security systems
• Home automation and remote control devices
• Telemetering and remote meter reading
• Remote Keyless Entry (RKE) systems

RF Receivers Procurement Notes

Verify that the specific procurement order matches the exact part number RFM31B-868-D to ensure correct modulation support and frequency band alignment. Confirm package type requirements, as this component is available in a 14-DIP configuration. Cross-reference technical specifications against official datasheets to validate operational voltage ranges and interface compatibility before integration into final designs.

RF Receivers Selection Notes

Select this module when a dedicated receiver solution is required rather than a full transceiver. It is suitable for applications needing FSK or OOK modulation at Sub-GHz frequencies. Consider the 14-DIP package for through-hole mounting needs. Ensure the system design accommodates the 1.8V to 3.6V supply range and SPI communication protocol for proper functionality.

RF Receivers Part Context

This component belongs to the RF Solutions Sub-GHz module family, designed for long-range, low-power wireless communication. It complements other modules in the series by offering specialized reception capabilities. The product line targets IoT and industrial monitoring sectors where reliable data acquisition over distance is critical without the complexity of full-duplex transceivers.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.