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STM350U is listed in the RF Transmitter range at ChipApex. The manufacturer field lists Enocean. Its product description is BATTERYLESS AND WIRELESS TEMPERA. Review the specifications below when checking this part for your BOM.
RF Transmitter specifications for STM350U
- Description：BATTERYLESS AND WIRELESS TEMPERA
- Series：-
- Mfr：Enocean
- Package：Tray
- Frequency：902.875MHz
- Applications：General Purpose
- Modulation or Protocol：FSK
- Data Rate (Max)：125kbps
- Power - Output：5dBm
- Current - Transmitting：-
- Data Interface：-
- Antenna Connector：On-Board, Spring
- Memory Size：-
- Features：-
- Voltage - Supply：-
- Operating Temperature：-20°C ~ 60°C
- Mounting Type：-
- Package / Case：Module
- Supplier Device Package：-
- Grade：-
- Qualification：-
RF Transmitter datasheet and documents for STM350U
RF Transmitter Overview
The EnOcean STM350U is a surface-mount transceiver module operating at 902.875 MHz, designed for energy harvesting applications in North America. It features an integrated 50-ohm helix antenna and delivers a typical radiated output power of +5 dBm with a data rate of 125 kbps using FSK modulation. The module supports temperature and humidity sensing functions, integrating necessary components for wireless sensor networks without requiring external batteries.
RF Transmitter Feature Summary
- Integrated energy harvesting capabilities for battery-free operation
- On-board 50-ohm helix antenna simplifies PCB design
- Optimized for 902 MHz ISM band compliance in North America
RF Transmitter Applications
- Wireless temperature and humidity sensor nodes
- Energy harvesting wireless switch modules
- Building automation sensor networks
RF Transmitter Procurement Notes
Verify the specific datasheet version for the STM350U to confirm exact RF parameters and antenna integration details. Ensure compatibility with the intended 902 MHz regulatory environment. Cross-reference part numbers with official EnOcean documentation to distinguish between similar Scavenger series modules like STM300U or STM320U.
RF Transmitter Selection Notes
Select the STM350U when designing for the North American 902 MHz ISM band with strict size constraints due to its integrated antenna. Consider this module for applications requiring simultaneous energy harvesting and multi-sensor data transmission. Evaluate thermal performance if operating near the upper limit of the specified range.
RF Transmitter Part Context
The STM350U belongs to EnOcean's Scavenger series, which focuses on self-powered wireless solutions. It complements other modules like the PTM 210U and TCM 300U within the 902 MHz product line. This series targets developers seeking reliable long-range communication in less congested frequency bands for industrial and home automation.
RF Transmitter Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official EnOcean resources for potential cross-references or newer revisions within the Scavenger module family.
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