LPWA (Low Power Wide Area)
Reliable long-range radio network.
Low Power Wide Area Network (LPWAN) refers to network technologies that transmit data over long distances with minimal power consumption. Typical characteristics of LPWAN include:
Low Data Rates
long
battery life
(often several years)
long range
(up to several kilometers)
simple
Machine-to-Machine communication (M2M)
LoRa + LoRaWAN
Voice and language of radio communication.
A LoRaWAN system consists of a sensor (node), gateway, and server. The gateway forwards the sensor data to the server, which manages the data and network structure. LoRa is the radio technology developed by Semtech for energy-efficient transmission over long distances, and LoRaWAN is the corresponding network protocol – LoRa is the voice, LoRaWAN is the language.
Product Selection
Known Low Power Wide Area Technologies:
| LoRaWan | NW-IoT | CAT-M1 | |
|---|---|---|---|
| Lizensiertes Spektrum | nein | ja | ja |
| Ökosystem | LoRa-Allianz | 3GPP | 3GPP |
| Abdeckung und Reichweite | 5-15 km | 1-10 km | 1-10 km |
| Datenrate | 0,3-50 kbps | 200 kbps | 1 Mbps |
| Energieverbrauch | sehr niedrig | niedrig | niedrig |
| Unterstützt die Gerätemobilität | ja | limitiert | ja |
| private Netzwerke zulassen | ja | nein | nein |
| Roaming | beschränkt | ja | ja |
| Frequenz | 868/902-928 Mhz / 2.4 GHz | LTE | LTE |
NB-IoT + CAT-M1
In contrast, Narrowband IoT (NB-IoT) and CAT-M1 are cellular-based LPWAN standards. They do not require a gateway, as the data is transmitted directly to the cloud via the cellular network. However, this requires a network operator or provider.
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