LoRaWAN vs NB-IoT vs Wi-Fi vs Cellular: Choosing the Right IoT Connectivity (2026)
Last updated: June 2026
Quick answer: Choose LoRaWAN for low-data sensors over long range on small batteries; NB-IoT/LTE-M for carrier-grade low-power links where mobile coverage exists; Wi-Fi for high-bandwidth devices near powered infrastructure; full cellular (4G/5G) for high-data or mobile assets; BLE for short-range device-to-phone; and satellite IoT for assets beyond all terrestrial coverage. Most real deployments mix two of these.
The comparison table
| LoRaWAN | NB-IoT / LTE-M | Wi-Fi | Cellular 4G/5G | BLE | Satellite IoT | |
|---|---|---|---|---|---|---|
| Range | 2–15 km rural | Carrier coverage | ~50 m | Carrier coverage | ~10–100 m | Global |
| Data rate | Tiny (bytes) | Small (KBs) | High | High | Medium | Tiny |
| Battery life | Years | Years (NB-IoT) | Days–weeks | Days | Months–years | Years |
| Running cost | ~$0 (own gateway) or low | SIM plan per device | $0 | SIM plan per device | $0 | Per-message plans |
| Infrastructure you own | Optional gateway | None | AP required | None | Phone/gateway | None |
| Sweet spot | Sensor fleets: farms, utilities, cities | Meters, trackers in coverage | Powered devices in buildings | Cameras, vehicles, gateways | Wearables, device setup | Remote paddocks, marine, mining |
The decision framework (four questions)
- How much data, how often? Bytes per hour → LoRaWAN/NB-IoT/satellite. Video or bulk data → Wi-Fi/cellular. Be honest: most "IoT data" is a few sensor readings; engineers over-provision bandwidth and pay for it in battery forever.
- What power exists at the node? Battery for years → LoRaWAN/NB-IoT/BLE only. Mains available → constraints relax.
- What coverage truly exists on site? Walk the site with a coverage tester before committing — carrier maps are optimistic, and Australian rural reality is unforgiving. No coverage → LoRaWAN (your own gateway) or satellite.
- Who pays monthly, forever? Per-device SIM costs look trivial until fleet × years. A $6/month SIM across 200 devices is $72,000 over five years — often more than the hardware. Owning a LoRaWAN gateway flips that economics.
The pattern that wins most often: tiered architecture
Cheap, battery-powered sensors speak LoRaWAN or BLE to a local gateway, which carries the cellular (or satellite) backhaul. One SIM serves a hundred nodes; battery nodes stay simple and certifiable (pre-certified radio modules), and the expensive link is shared. This is how our farm, utility, and city deployments are built — and it's usually the answer when a client arrives asking "should every device have a SIM?" (No.)
Frequently asked questions
Is LoRaWAN available in Australia?
Yes — public network coverage exists in many areas, and private gateways (a few hundred dollars) extend it anywhere you have power and backhaul, which is the common rural pattern.
NB-IoT vs LTE-M — which one?
NB-IoT for stationary, tiny-data, maximum-battery devices; LTE-M for anything mobile or needing firmware downloads and voice-grade latency. Check which your carrier actually supports at your sites.
Does 5G matter for IoT in 2026?
For sensors, almost never — its IoT relevance is high-bandwidth and low-latency niches (vision systems, autonomous machines). Don't pay 5G module prices for thermometer data.
Further reading
- IoT systems engineering and connectivity design
- Custom hardware and sensor development
- Smart street lighting control case study
- 13kV RMU fault detection case study
Incendio Solutions designs sensor fleets, gateways, and the firmware and cloud behind them — 14 IoT programs shipped. Get a connectivity recommendation for your product.