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RFIC platform bolsters device range to 15Km

Posted: 02 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Semtech? RFIC? IOT? M2M?

Semtech Corp. recently unveiled its first product in a long-range RFIC platform that boosts the transmission range of devices to up to 15km. The SX1272 integrates the company's new LoRa (long range) modulation technology to enable drastic range improvements over alternative modulation methods.

The SX1272 is designed for industrial control, agriculture/irrigation, smart metering and sensor network applications. The additional range provided by LoRa will eliminate the need for repeaters in these applications, significantly simplifying the system design and lowering the total cost of deployment. The range extension provided by LoRa also makes the device ideal for emerging smart city, Internet of things (IOT) and machine-to-machine (M2M) applications.

The SX1272 achieves receiver sensitivity up to -137dBm utilising a low-cost crystal. This compares to today's state-of-the-art FSK devices that can achieve sensitivity of -115dBm with a comparable crystal or -125dBm using an expensive temperature controlled crystal oscillator (TCXO).

Additionally, the SX1272 has a 25dB improvement over FSK devices for rejecting in-band interfering signals. This makes the device especially effective in industrial, scientific and medical (ISM)-band applications such as security and metering because it provides immunity from sub-GHz frequency 4G/LTE signals.

The SX1272 supports GFSK, FSK, GMSK, and OOK modulation in addition to LoRa and is designed to support WMBus, IEEE 802.15.4g (SUN), FCC 15.247, ARIB T96/108, EN 300-220 as well as other worldwide standards and regulations.

Further information regarding Semtech's SX1272 can be found here.





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