SPSGRF-915

RF Transceiver Modules And Modems Overview

The SPSGRF-915 is a sub-GHz low-power programmable RF transceiver module operating in the 915 MHz ISM band. It integrates the SPIRIT1 transceiver with an integrated balun and chip antenna, supporting data rates up to 500 kbps. The module operates within a supply voltage range of 1.8V to 3.6V and functions across a temperature range of -40°C to +85°C. Current consumption varies between 9mA and 22mA during transmission. It features SPI interface connectivity and holds FCC ID S9NSPSGRF and IC certification 8976C-SPSGRF.

RF Transceiver Modules And Modems Feature Summary

• Integrates SPIRIT1 transceiver with built-in balun and chip antenna for compact design
• Certified for operation in the 915 MHz ISM band with regulatory approvals
• Supports scalable system expansion through cascading capabilities
• Compatible with STM32 Nucleo boards via Morpho and Arduino UNO R3 connectors

RF Transceiver Modules And Modems Applications

• Sub-GHz wireless communication development using STM32 Nucleo platforms
• Point-to-point communication systems utilizing example firmware compatibility
• Scalable IoT sensor networks requiring cascaded board configurations
• Low-power remote monitoring applications in the 915 MHz frequency band

RF Transceiver Modules And Modems Procurement Notes

Verify that the specific revision matches the required regulatory certifications, specifically FCC ID S9NSPSGRF and IC:8976C-SPSGRF, as these are critical for compliance in target markets. Confirm interface compatibility with the host microcontroller, ensuring support for SPI connections and necessary GPIO pin configurations. Check for availability of associated evaluation boards like X-NUCLEO-IDS01A5 if rapid prototyping on STM32 Nucleo hardware is planned. Ensure the operating voltage range aligns with the system power supply constraints.

RF Transceiver Modules And Modems Selection Notes

Select this module when a certified sub-GHz solution is required for the 915 MHz band without external matching components due to the integrated balun. It is suitable for designs needing low current consumption and high integration levels. Consider the SPI interface requirement and ensure the host MCU supports the necessary protocol. Evaluate the need for regulatory certification compliance, as this module includes pre-certified status. Assess whether the 500 kbps maximum data rate meets application throughput requirements.

RF Transceiver Modules And Modems Part Context

The SPSGRF-915 belongs to STMicroelectronics' Sub-GHz module family, which also includes variants for different regional bands such as 868 MHz. It is designed to work seamlessly with the SPIRIT1 transceiver technology. The module serves as a core component for the X-NUCLEO-IDS01Ax expansion boards, facilitating easy integration into STM32-based development ecosystems. It represents a standardized approach to implementing reliable sub-GHz wireless connectivity in embedded systems.

RF Transceiver Modules And Modems Replacement Considerations

Direct substitutes include other SPSGRF modules operating in different frequency bands, such as the 868 MHz variant, provided regulatory compliance allows. Cross-band replacements require verification of antenna tuning and regulatory approvals. No direct pin-compatible alternatives from other manufacturers are confirmed in public documentation; migration would require schematic redesign.