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COMPARAÇÃO · ESCOLHA DA REDE IOT

Público vs privado LoRaWAN — o que se encaixa.

LoRaWAN deployments split into public networks (carrier-run, subscription-based, where coverage exists) and private networks (you run your own gateways and network server, full control).

The right choice is highly use-case-dependent, and most mature enterprises end up with a mix. This is the operator-level comparison that helps procurement decide.

Public LoRaWANCarrierSubscription, coveragevsPrivate LoRaWANSelf-runCapex, full control

A diferença arquitetural

Public LoRaWAN: you connect devices to a carrier's network (Orange / Bouygues / Objenious in France, KPN in Netherlands, Swisscom in Switzerland, Senet and Everynet in North America, Helium globally on a peer-operated model).

You pay per-device subscription; the carrier operates gateways and network server.

Private LoRaWAN: you operate your own gateways and network server (ChirpStack open source, The Things Industries, Actility ThingPark Enterprise) on your site. Devices connect only to your network. Capex up-front, no subscription, full control.

Cobertura — o fator decisivo

Public LoRaWAN coverage is excellent across most of Europe (carrier-run networks cover major countries comprehensively), patchy in North America (Senet, Everynet, Helium fill in but coverage is uneven), and limited in much of Asia, Latin America and Africa.

For deployments concentrated within carrier coverage, public is the fastest path to scale. For deployments spread across patchy or uncovered regions, private (or hybrid) is the only practical option.

Economia de custos — qual vence?

Public: per-device subscription, typically 1–5 Euros per device per year for low-payload sensors, more for trackers. No upfront infrastructure capex.

Private: gateway capex (1,000–3,000 Euros each, you need 1–5 per site depending on size), network-server capex or licence (ChirpStack free, TTI / Actility commercial), operations overhead.

Breakeven happens around 500–2,000 devices per site, depending on density and gateway choice. Above that, private is usually cheaper TCO.

Segurança e controle

Both use AES-128 encryption end-to-end. The security difference is operational. Public: traffic transits the carrier's network server; key management is shared. Private: you control the entire path, including device provisioning, network keys and routing.

For defence, critical infrastructure, regulated industries (pharma, financial-services field equipment, oil & gas) and sensitive corporate use cases, private is usually required for governance reasons even when public coverage exists.

Cenário de fornecedores e plataformas

Public carriers: Orange Business / Objenious, Bouygues Telecom, KPN, Swisscom, Telekom Austria, Senet, Everynet, Helium (peer-operated).

Private network servers: ChirpStack (open source, dominant for self-managed), The Things Stack (TTI commercial + community), Actility ThingPark Enterprise (carrier-grade for large private deployments), AWS IoT Core (with LoRaWAN integration), Azure IoT Central.

Gateways: Kerlink, Multitech, Tektelic, Cisco, MikroTik — most work with both public and private. Devices: thousands of LoRaWAN-conformant sensors and trackers.

O híbrido está cada vez mais comum

Many enterprises run both. Public LoRaWAN for assets that move across regions (returnable containers, livestock, mobile equipment) where carrier coverage exists. Private LoRaWAN for sensitive in-site applications (factory sensors, hospital staff, military / defence equipment).

Hybrid stacks use roaming standards to hand devices between networks. We design the network architecture in stage 1 — see /insights/lorawan-explained for the deeper technology treatment.

FAQ

Perguntas frequentes

Qual é mais barato — LoRaWAN público ou privado?

Depende da quantidade de dispositivos e da geografia do local. O público vence com poucas contagem de dispositivos na cobertura da operadora.

O setor privado vence acima de ~500–2.000 dispositivos por local, ou para implantações fora da cobertura da operadora. Modelamos ambos na fase 1.

Um dispositivo pode alternar entre redes públicas e privadas?

Sim, em princípio — a Aliança LoRa padronizou o roaming. Na prática, o roaming público-privado ainda não é plug-and-play e exige um gerenciamento cuidadoso de chaves. A maioria das implantações híbridas segmenta os dispositivos por rede, em vez de roaming dinâmico.

Quão confiável é o Helium para uso corporativo?

O modelo operado por pares da Helium tem cobertura e qualidade desiguais. Melhorou desde a migração para a Solana, mas ainda não é uma operadora estável de nível empresarial na maioria das regiões. Tratamos como uma rede suplementar, não como primária.

Redes privadas LoRaWAN exigem manutenção contínua?

Sim — atualizações de firmware do gateway, patching de servidor de rede, gerenciamento de chaves, monitoramento. Normalmente alguns dias de engenharia por ano para uma implantação estável.

Acordos de serviços gerenciados com TTI ou Actility cuidam desse tipo para empresas que não desejam propriedade interna.

Onde o IoT CELULAR (LTE-M / NB-IoT) se encaixa nessa comparação?

Cellular IoT is the other LPWAN option. NB-IoT and LTE-M are carrier-managed, globally available where cellular exists, and integrate naturally with mobile devices.

LoRaWAN wins on cost-per-device at scale and on private-network capability; cellular wins on global mobility and standardised interoperability. Most enterprises run both for different use cases.

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