Features Overview

Power supply solar cell

Antenna helix antenna

Frequency / Learn Button STM 320: 868.3 MHz, side button

STM 329: 868.3 MHz, back button

STM 320U: 902.875 MHz, side button

Radiated output power STM 320: max. 6.4 dBm (EIRP)

STM 329: max. 5 dBm (EIRP) STM 320U: +99 dBμV/m ± 2 dB

Data rate / Modulation type 125 kBit/s / ASK (868.3 MHz) / FSK (902.875 MHz)

EnOcean Equipment Profile D5-00-01

SIGNAL 0x0E (Entering Transport Mode)

Start-up time with empty energy storage typ. <2.5 min @ 400 lux, 25°C

Initial operation time in darkness @25°C1 min. 10 days, if energy storage fully charged

Reed contact 1x internal, Meder MK23-90-BV14496 or MK01-I

Teach-in button 1x internal

Transmission indicator 1x LED

Module dimensions 43 x 16 x 6 mm

Operating temperature1 -20 up to +60 °C

Encryption Algorithms

VAES 128, CMAC – STM 320 / STM 329

Radio approvals

STM 320 (max. radiated power +6.4dBm whip): RED (EU)

STM 329 (max. radiated power+5 dBm helix) : RED (EU)

STM 320U: FCC (US) / ISED (CA)