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Date: 10-10-13

Long-range wireless M2M sensor/IOT network without repeaters

Semtech has announced it is partnering with Germany-based IMST in developing its IM880A radio module designed using Semtech’s LoRa long distance technology.

LoRa technology powered iM880A can provide long-range radio connection for industrial control, security/automation, smart metering, and sensor network applications. The additional range is provided by Semtech's LoRa technology, which eliminates the need of repeaters to increase the range. iM880A can also be employed as radio devices in new applications such as smart city, Internet of things (IOT) and machine-to-machine (M2M).

Spreadspectrum based LoRa is said to be highly immune to interference from LTE and traditional 868 MHz frequency band and is also designed to consume less current.
The iM880A features a maximum sensitivity level of -137 dBm with a maximum output power of +19 dBm in offering a link budget of 156 dB and achieving range of more than 15 km in a rural environment or 2-5 km in a dense urban environment operating in compliance with European regulatory limits.

“LoRa solves the traditional design compromise between range, interference immunity and energy consumption” explains Hardy Schmidbauer, Director of Wireless Products at Semtech Corp.

iM880A features up to six orthogonal spreading sequences with three different signal bandwidth options and four error correction schemes to ensure highly immunity to RF interference.

“This flexibility enables the user to configure the perfect balance between range, interference robustness and data rate for multiple wireless applications,” says Heinz Syrzisko, Head of Wireless Solutions Business Unit at IMST.

IMST is offering the SK iM880A starter kit with the corresponding demo and configuration software WiMOD LR Studio.

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