Why choose Low Power Wide Area Network (LPWAN) as a wireless solution for IoT devices?
If you need to transmit data wirelessly between sensors and gateways over a large area, you have the choice of cellular or LPWAN connectivity. However, cellular is expensive, power-hungry, and carries the risk of technology being retired. Additionally, only 15% of the Earth’s surface is covered by cellular networks (source: World Economic Forum).
LPWAN technologies have significant advantages, such as long battery lives, low cost, and long range. Although LPWAN can only transmit small amounts of data, it’s adequate for many IoT applications, such as environmental monitoring, asset management, tracking, and metering.
Within LPWAN there are many technologies and standards; we’ll just cover off the most popular choices here.
Our top satellite terminals for LoRaWAN data backhaul
If you’re looking for satellite coverage and your use case is static and not in the polar regions, there are several options available. Emerging satellite operators like Astrocast and Sateliot with a small number of satellites might be able to provide the coverage you need. In addition, Inmarsat’s BGAN M2M service with its geostationary satellites is a reliable and affordable option. The Cobham Explorer 540 or the Hughes 9502 are good choices, both of which can be solar or battery-powered.
For static and mobile applications, the Iridium satellite network is a robust and truly global option. Iridium offers two airtime options for IoT data: Short Burst Data (SBD) and Certus 100. SBD is a message-based platform that can transmit payloads of up to 340 bytes up and 270 bytes down. If you need more capacity or an IP-based solution, Certus 100 offers both with an IP transmission option at 22/88 Kbps or a message-based option (called IMT) capable of 100kB/message.
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