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Q: What is the operating frequency range?
A: The SPIRIT1QTR operates in the 150–174 / 300–348 / 387–470 / 779–956 MHz. Refer to the datasheet for exact frequency coverage and channel plans.
Q: What MCU is required for operation?
A: Any MCU with an SPI interface and sufficient RAM can control this device. ST provides reference drivers and RF abstraction libraries for the STM32 family.
Q: What is the minimum order quantity (MOQ)?
A: Contact Aurora Components for a tailored quote. We support prototype to production volumes.
The SPIRIT1QTR is STMicroelectronics' sub-1ghz rf transceiver in QFN-20(4x4) package. Supplied by Aurora Components with verified sourcing and competitive lead times.
| Parameter | Value |
|---|---|
| Frequency | 150–174 / 300–348 / 387–470 / 779–956 MHz |
| Modulation | 2-FSK, GFSK, MSK, GMSK, OOK, ASK |
| Data Rate | 1–500 kbps |
| RX Sensitivity | −120 dBm |
| TX Power | +16 dBm |
| Supply | 1.8V–3.6V |
| Package | QFN-20 |
Aurora supports customers with SPIRIT1QTR sourcing through verified global supply channels. We help OEMs and manufacturers manage availability challenges, production requirements, and lifecycle risks with flexible procurement solutions.
All components supplied by Aurora follow strict quality control procedures, including supplier verification, documentation review, inspection, and traceability management to ensure product authenticity and reliability.
When original SPIRIT1QTR components face shortages, lifecycle changes, or long lead times, Aurora helps customers identify suitable alternative components based on technical requirements, application needs, and supply conditions.
Need SPIRIT1QTR availability or sourcing support?
Contact Aurora for component verification, quotation, and reliable supply solutions.






Aurora's expansive global shipping and logistics hubs encompass nearly 200,000 ft2 of warehouse space, ensuring the secure storage and meticulous handling of your products throughout the entire process, from sourcing and inspection to testing and safe shipment.

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