EnOcean STM 300 RF Transceiver Module 868 MHz, 2.1 → 4.5V

  • RS-artikelnummer 173-2656
  • Tillv. art.nr STM 300
  • Tillverkare / varumärke EnOcean
Lagstiftning och ursprungsland
COO (Country of Origin): DE

Scavenger Transceiver Module STM 300

The EnOcean ISM-band transmitter module STM 300 enables the realization of wireless and maintenance free sensors and actuators such as room operating panels, motion sensors or valve actuators for heating control.
The power supply is provided by an external energy harvester, e.g. a small solar cell or a thermal harvester. An energy storage device can be connected externally to bridge periods with no supply from the energy harvester. A voltage limiter avoids damaging of the module when the supply from the energy harvester gets too high. The module provides a user configurable cyclic wake up (every 1, 10 or 100sec). After wake up a radio telegram (input data, unique 32-bit sensor ID, checksum) will be transmitted in case of a change of any digital input value compared to the last sending or in case of a significant change of measured analogue values (different input sensitivities can be selected). In the case of no relevant input change a redundant retransmission signal is sent after a user configurable number of wake-ups to announce all current values. In addition a wake up can be triggered externally.

Operating Frequency: 868.3MHz (STM 300 RS 786-3192), 315MHz (STM 300C RS 786-3202)
Data Rate: 125kbps
Modulation: ASK
Integrated 16MHz 8051 microcontroller with 32KB Flash memory and 2KB SRAM
3 x A/D converter inputs
4 x digital inputs
Configurable wake-up and transmission cycle
Wake-up via Wake pins
Voltage limiter for harvested power supply
Threshold detector
Features accessible via API:
- Receiver functionality
- Various power down and sleep modes down to 0.2uA current consumption
- Up to 16 x configurable GPIO
- 10-bit ADC, 8-bit DAC
Operating temperature range: -25 to +85°C
Applications: Wireless, battery-less sensor communication for the Internet of Things (IoT)

Batteryless Wireless Applications

EnOcean manufacture a range of transmitter and receiver products that operate in the 868MHz area of the ISM band. These devices are typically very efficient in terms of the power supply requirements and are used to send short messages.,The advantages of EnOcean technology are clearly illustrated through applications such as electrical control which eliminates the need for external wired connections and batteries.,Suitable for limitless applications where maintenance free and flexible switching needs to be installed without drilling, cabling and reconstruction costs.,Power in the transmitters is also created for "FREE" using energy harvesting techniques to create energy from the push button switches or solar power for its sensors transmitters.,Radio systems based around EnOcean technology can be formed into star, mesh, or hybrid topology networks, and are a good complement to ZigBee systems, typically in building automation and remote sensor applications.

Attribute Value
Module Type Transceiver
Supported Frequency Bands 868 MHz
Modulation Technique ASK
Maximum RF Data Rate 125kbit/s
Maximum Output Power +7dBm
Receiver Sensitivity -96dBm
Supported Bus Interfaces SPI, USB
Supply Voltage 2.1 → 4.5V
Dimensions 22 x 19 x 3.1mm
Height 3.1mm
Length 22mm
Maximum Operating Temperature +85°C
Minimum Operating Temperature -25°C
Width 19mm
Tillfälligt slut i lager – restorder för leverans 2020-04-28
Pris (ex. moms) Each (On a Reel of 250)
230,137 kr
(exkl. moms)
287,671 kr
(inkl. moms)
Per unit
Per Reel*
250 +
230,137 kr
57 534,25 kr
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