STMicroelectronics · RF ICs & modules
S2-LPTXQTR
HIGH PERFORMANCE ULTRA-LOW POWER
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →S2-LPTXQTR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | S2-LPTXQTR |
| Family | RF ICs & modules |
| Package | 24-VFQFN Exposed Pad |
| Product Status | Discontinued at Digi-Key |
| DigiKey Programmable | Not Verified |
| Type | TxRx + MCU |
| RF Family/Standard | 802.15.4, General ISM < 1GHz |
| Protocol | SIGFOX™, Wireless M-Bus |
| Modulation | 2FSK, 4FSK, 2GFSK, 4GFSK, ASK, OOK |
| Frequency | 413MHz ~ 479MHz, 826MHz ~ 958MHz |
| Data Rate (Max) | 500kbps |
| Power - Output | 16dBm |
| Sensitivity | Not provided in source |
| Memory Size | Not provided in source |
| Serial Interfaces | SPI, UART |
| GPIO | 4 |
| Voltage - Supply | 1.8V ~ 3.6V |
| Current - Receiving | Not provided in source |
| Current - Transmitting | 11.5mA ~ 32mA |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) |
Documents and evidence
S2-LPTXQTR ↗Before sourcing S2-LPTXQTR
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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