If you're building an observational system — whether that's a heat‑stress network, air‑quality sensors or trackers on assets — you quickly run into the same question: how do I get the data back reliably, without draining batteries or blowing the budget?

Three of the most common options are LoRaWAN, NB‑IoT and 4G (cellular LTE). They all deliver IP‑reachable data, but they sit at different points on the spectrum from "ultra‑low power, tiny packets" to "high bandwidth, almost‑anywhere internet".

LoRaWAN: long‑range, low power, low data

LoRaWAN (Long Range Wide Area Network) is a low‑power wide‑area network (LPWAN) protocol built around Semtech's LoRa radio modulation. It typically uses unlicensed ISM bands (868 MHz in Europe), so anyone can deploy gateways and nodes without buying spectrum.

LoRa modulation uses chirp spread spectrum: it encodes data into "chirps" whose frequency changes over time, making signals very resilient to noise at extremely low power. The LoRaWAN protocol then defines how end devices talk to gateways and a network server.

Best for: static sensors sending small packets infrequently, especially where you control the site — environmental monitoring, smart metering, agriculture, off‑grid stations.

NB‑IoT: deep coverage, low power, low data rate

NB‑IoT (Narrowband IoT) is a cellular LPWAN standard defined by 3GPP, running in licensed spectrum owned by mobile operators. It's designed specifically for massive numbers of low‑throughput devices that need strong coverage and long battery life.

Best for: fixed devices in hard‑to‑reach places that send small amounts of data — utility meters, parking sensors, building monitoring, static environmental nodes where 4G is overkill but you don't want to run your own LoRaWAN.

4G (LTE): high bandwidth, higher power, full IP

4G LTE is the mainstream cellular technology used by smartphones and many industrial gateways. For MeteoA deployments, it's most often used via LTE Cat‑1 / Cat‑4 modems or specialised low‑power variants like LTE‑M. A 4G device connects to the cellular network using licensed spectrum, authenticates via a SIM or eSIM, and then has IP connectivity much like a phone.

Best for: high-bandwidth, real-time data, control, images, video snippets, and remote firmware updates.

Side‑by‑side comparison

FeatureLoRaWANNB-IoT4G (LTE)
SpectrumUnlicensed ISM (868 MHz)Licensed cellular narrowbandLicensed cellular broadband
NetworkPublic community (TTN or KPN)Public operator networks (KPN)Public operator networks (KPN/Vodafone)
Range10–15 km rural, km-scale urbanSimilar to or better than LTEStandard 4G coverage
Data rateVery low (bps–kbps)Low (up to tens of kbps)Medium–high (hundreds kbps–Mbps)
PowerExcellent (5–10+ yr batteries)Excellent (2–5+ yr batteries)Often needs mains electricity
CostLowMediumHigher
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