description NB-IoT (Narrowband IoT) Overview
NB-IoT is a cellular LPWAN technology that leverages existing cellular infrastructure, offering deep indoor penetration and excellent coverage reliability where private networks are impractical. It is ideal for utility monitoring, asset tracking in basements, or agricultural sensors that require guaranteed connectivity via established mobile carriers. Its main drawback is its dependency on carrier rollout and its relatively low data throughput compared to Wi-Fi.
help NB-IoT (Narrowband IoT) FAQ
What is NB-IoT used for?
NB-IoT is a 3GPP cellular LPWAN technology for small, infrequent data transmissions from devices such as utility meters, basement sensors, and agricultural monitors. It prioritizes coverage and battery life over the high throughput expected from a smartphone connection.
How much spectrum does NB-IoT use?
An NB-IoT carrier occupies about 180 kHz, which allows it to fit into or alongside existing LTE deployments. That narrow bandwidth helps operators support many low-data devices without assigning them a full broadband channel.
Is NB-IoT better than LoRaWAN for an asset-tracking project?
NB-IoT uses licensed cellular infrastructure and usually offers carrier-managed coverage, while LoRaWAN often relies on private or community gateways. NB-IoT is attractive when deep indoor reach and managed connectivity matter, but modem power use, subscription cost, and roaming requirements must be compared.
Does NB-IoT require a SIM card?
Commercial NB-IoT deployments normally use a cellular subscriber identity such as a SIM or eSIM, along with an operator plan. The device must also support the frequency bands and network profile used by the selected carrier.
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