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STMicroelectronics · RF ICs & modules

S2-LPTXQTR

HIGH PERFORMANCE ULTRA-LOW POWER

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S2-LPTXQTR component illustration
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S2-LPTXQTR specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering codeS2-LPTXQTR
FamilyRF ICs & modules
Package24-VFQFN Exposed Pad
Product StatusDiscontinued at Digi-Key
DigiKey ProgrammableNot Verified
TypeTxRx + MCU
RF Family/Standard802.15.4, General ISM < 1GHz
ProtocolSIGFOX™, Wireless M-Bus
Modulation2FSK, 4FSK, 2GFSK, 4GFSK, ASK, OOK
Frequency413MHz ~ 479MHz, 826MHz ~ 958MHz
Data Rate (Max)500kbps
Power - Output16dBm
SensitivityNot provided in source
Memory SizeNot provided in source
Serial InterfacesSPI, UART
GPIO4
Voltage - Supply1.8V ~ 3.6V
Current - ReceivingNot provided in source
Current - Transmitting11.5mA ~ 32mA
Operating Temperature-40°C ~ 105°C (TA)
Mounting TypeSurface Mount
Package / Case24-VFQFN Exposed Pad
Supplier Device Package24-QFN (4x4)

Documents and evidence

S2-LPTXQTR ↗

Before sourcing S2-LPTXQTR

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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