Narrow Band LTE is referred to as NB-LTE. Refer to the LTE-M/Category M/M1/M2 page for a high-level explanation of NB-LTE and a comparative analysis of competing technologies.
Devices using M2M SIM cards may send and receive data across cellular networks. M2M is an acronym for "machine-to-machine." The M2M SIM in IoT devices may immediately share data with other devices and the platform management software. As a result, the words "M2M SIM" and "IoT SIM" are sometimes used synonymously.
Describe Cat M. LTE A low power wide area (LPWA) technology called Cat M, commonly referred to as LTE-M, was created to handle "Massive IoT," or billions of IoT devices, using cellular technologies. Although Cat M2 adoption won't happen for a few more years, Cat M today mainly refers to Cat M1.
B4 (1700 MHz), B12 (700 MHz), B26 (850 MHz), B66 (1700 MHz), and B71 (1700 MHz) are the NB-IoT bands chosen for North America (600 MHz). A low power wide area (LPWA) technology known as narrow band IoT was created specifically for IoT products and services.
What is the internet speed that NASA offers? Because of the nature of the data that NASA deals with, their internet connection is particularly fast. Their 2013 testing revealed that their networks are capable of 91 gigabits per second. The speed of their entire network does not, however, imply anything.
The current 5G coverage is only available in densely populated locations, however by adopting the LTE Cat M or LTE Cat NB-IoT protocols, existing equipment may be confidently upgraded from 2G/GSM and 3G/UMTS old systems to 4G/LTE networks.
For instance, Category 6 devices can theoretically receive 300 Mbps, compared to 150 Mbps for Category 4 devices. The speeds increase as the Category number rises. You might encounter Category 6 devices labeled as Cat 6 because category devices are frequently abbreviated to "Cat".
Depending on who you talk to, you may hear these two network technologies (CAT-M1, NB-IoT) referred to as 4G or 5G. The most important thing to keep in mind is that CAT-M1 and NB-IoT will outlive other 4G services and maybe even outlive 5G services.
In contrast to LoRaWAN, which is an open protocol that enables IoT devices to use LoRa for communication, LoRa is a modulation technique for a particular wireless spectrum.
MQTT is a popular communications protocol that is easy to use and was created for devices with limited resources. With a few modifications, AWS IoT support for MQTT is based on the MQTT v3. 1.1 protocol. See AWS IoT variations from MQTT version 3.1 for details on how AWS IoT differs from the MQTT v3.1.1 specification.
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