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ST's SPIRIT1 wireless transceiver cuts power budget by 50% over competing devices
STMicroelectronics has introduced a high-performance, ultra-low-power wireless transceiver for Automatic Meter Infrastructure and other wireless sensor node applications, such as alarm and security systems, home and building automation, and industrial monitoring and control. ST's SPIRIT1 transceiver combines excellent receiver sensitivity with unbeatable current consumption, delivering 50% power reduction over existing solutions in the market.
Replacing traditional electromechanical meters, ‘smart’ electronic meters bring many advantages for utility providers and consumers alike. Features like full remote control, power peak and consumption analysis, anti-tampering mechanisms, fault alert, and time-variable tariffs, help make both the supply and usage of electricity, gas or water more efficient and economical.
ST's SPIRIT1 transceiver handles the communication between smart meters in households and businesses and the neighbourhood data concentrator, which relays the information to the utility provider control center. By enabling short-range transmissions in frequency ranges below 1 GHz, SPIRIT1 ensures proper wireless signal propagation through concrete walls and building structures.
Power consumption is a critical parameter in battery-powered wireless metering applications. SPIRIT1 delivers an unparalleled competitive advantage of extremely low current consumption, slashed by as much as 50% over existing solutions in the market. This enables SPIRIT1-equipped applications to be in operation for up to twice the time of other solutions without the need to replace batteries.
SPIRIT1 boasts an outstanding receiver sensitivity of -120dBm. This allows the designer to lower the output power of the transmitter and thus further decrease the overall current consumption, while maintaining a highly robust communication channel. The transceiver supports advanced technologies like frequency hopping, auto-acknowledgment and antenna diversity to secure error-free data transmission even in harsh-environmental or challenging-logistical conditions.
Additional embedded features include 128-bit data encryption, error correction and detection, FIFO memory blocks, as well as highly flexible and programmable data packet management, which contribute to reducing the computation load of the host microcontroller and the overall system cost.
For more information, or details on the full range of STMicroelectronics products available from Anglia, please email info@anglia.com
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This news article was originally published in May 2012.
