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LoRa: Long Range Wireless for Internet of Things (IOT): Frequency Bands Etc.

LoRa is a wireless technology with incredibly low power usage, long range and secure data transmission for IoT and M2M applications. It is made on the chirp spread spectrum modulation technology which makes it efficient for long-range communication.   LoRa is short for long-range. 

LoRa Frequency Bands
LoRa uses unlicensed frequency bands that are to be found worldwide. However, the following are the most common bands/ frequencies for LoRa:

Typical applications
LoRa has found use in a wide range of applications though it is most preferred in Internet of Things devices that:
1. Have no access to electricity
2. Do not require instant feedback
3. Are too many to get a costly cellular subscription for
4. Are inconvenient or impossible to physical access

Given its long range and low power capacities endpoint devices can be deployed in all manner of outdoor and indoor facilities. Applications include devices in smart cities, smart logistics, supply chain, smart homes, smart metering, and smart agriculture.

LoRa achieves better coverage for its wireless devise and modules by using frequencies lower than those in the 5.8 or 2.4 GHz ISM bands. While it uses sub 1 GHz bands a lot of the time, LoRa tends to be frequency agnostic and will work fine on most frequencies without needing significant modification.

How does LoRa compare to Bluetooth and ZigBee?
LoRa wireless networking biggest advantage over Zigbee and Bluetooth is its incredibly low power usage and long range capacities. Zigbee and Bluetooth don’t come close to LoRa especially when it comes to battery usage. LoRa devices can be equipped with a battery which will last for up to ten years as compared to the average of just one year for Zigbee and Bluetooth devices. LoRa can communicate with a standard gateway wirelessly for a distance of up to 15km as compared to a few feet for its competitors.

How does LoRa compare to using cellular data systems?
Most cellular data systems can match the coverage and range of LoRa, though they tend to be more expensive to maintain as compared to LoRa systems. The reason for this is that LoRa demands less from the underlying network, given its significantly lower use of bandwidth. This makes cellular network subscriptions many times more expensive than LoRa.

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