Features overview

Antenna

50 Ohm helix antenna (on-board)

Radio Frequency / Data Rate

STM 350 868.3 MHz ASK / 125 kbps

STM 350U 902.875 FSK / 125 kbps

Radiated Output Power (typ.)

+5 dBm

On-board Power Supply

Pre-installed solar cell

Auxiliary Power Supply

Option for backup battery (3V)

Operation time in darkness @ 25°C

min. 10 days, if energy storage fully charged 1)

Sensor performance

Temperature: ±0.5 K across entire range

Humidity: ±3.0 r.h. between 20 … 80 r.h.

Measurement interval

Approximately once every 100 s

Transmission interval

Every 7 … 14 measurements (affected at random) Immediate transmission in case of significant change

EnOcean Equipment Profile (EEP)

A5-04-03

SIGNAL 0x06 (Energy Level Reporting) SIGNAL 0x0E (Entering Transport Mode)

Operating and Storage temperature

Absolute Maximum: -20 °C … +60 °C Recommended1: +10 °C…+30 °C

Shelf life (in absolute darkness) delivery1

36 months after delivery2)

Operating and storage humidity

Maximum: 0 … 93 r.h., non-condensing

Recommended: < 60 r.h.

Dimensions

50±0.2 x 16±0.3 x 10mm

STM350U属于RF/IF，射频/中频和 RFID > 射频发射器。易能森制造生产的STM350U射频发射器RF 发射器用于发送射频信号并调制该信号以承载系统中的数据。频率范围为 315 Hz 至 64 GHz，数据速率为 3 kbps 至 2 Mbps，功率输出为 -30 dBm 至 24.7 dBm。数据接口有连接器、I2C、引脚焊盘、并行、PCB、串行、焊盘、SPI、UART 和 USB，天线连接方式有堡形、板载、PCB 和通孔。