Where a geotechnical or structural monitoring solution is required to cover a large area, such as a mine or a city, we would usually recommend our GeoWAN communication platform.
GeoWAN uses a lower frequency radio band than FlatMesh. It is based on the industry-standard LoRaWAN protocol and is capable of long-range transmission with sensors able to communicate with a gateway at a distance as great as 15 km.
Monitoring systems using GeoWAN have the power to transmit through physical obstructions, enabling, for example, integration of sensors in boreholes or on buildings above a tunnel with movement sensors measuring deformation inside the tunnel.
From the gateway the options for getting the data to the outside world are restricted only by the available infrastructure. The simplest option in most cases is to use the gateway’s integrated cellular (2G/3G/4G) modem; alternatively, the gateway’s Ethernet connection may be used to enable connectivity via WiFi, ADSL or cable connections.
| Parameter | Value |
|---|---|
| Communication Type | Star Topology |
| Frequency Band | 863 MHz – 928 MHz ISM Band |
| Maximum Transmit Power | 20dBm (actual transmit power depends on geography) |
| Range | Up to 15 km depending on the environment |
| Maximum Reporting Frequency | 30 Seconds |
| FlatMesh™ | GeoWAN™ |
|---|---|
| Third generation intelligent flexible mesh network monitoring platform/architecture | Long-range point to point wireless platform, ideal for challenging environments; capable of “seeing through” solid obstructions |
| Up to 300 m range (gateway to node or node to node), in optimum conditions | Up to 15 km range (gateway to node), in optimum conditions and typically 2-4 km in busier urban environments |
| Battery life of up to 15 years | Battery life of up to 15 years |
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| Fully remotely configurable | Remotely configurable, but more limited bandwidth available |
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| Compatible with full range of geotechnical and structural sensors | Compatible with full range of geotechnical and structural sensors |
Ideal Applications:
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Ideal Applications:
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