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)