4G Rugged Gateway
The Worldsensing 4G Rugged Gateway is an outdoor LoRa gateway for geotechnical and structural monitoring networks. It receives measurements from wireless sensors and data loggers over LoRa/LoRaWAN and uses 4G or Ethernet to transmit data. The Edge version stores data locally and runs CMT Edge on the gateway. The Cloud version supports centralised management of multiple networks and redundant coverage through multiple gateways. Worldsensing
Sensors One is a Worldsensing partner based in Kazakhstan. We deliver turnkey monitoring systems, including site surveys, radio coverage testing, network and power design, equipment supply, installation, CMT configuration and commissioning. Where a project includes borehole measurements, we also carry out drilling and install the associated instruments. Contact us for a gateway configuration and project quotation. Worldsensing
- Description
- Characteristics
- Solutions
- Model information
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4G Rugged Gateway
The 4G Rugged Gateway connects Worldsensing field instruments to a monitoring management system. Wireless sensors and data loggers send measurements over LoRa/LoRaWAN, with a node-to-gateway range of up to 15 km in line-of-sight conditions. On sites with difficult terrain, a field survey helps determine gateway placement and whether an external LoRa antenna or a compatible repeater is needed. Backhaul options include Ethernet and an integrated 4G modem with 3G/2G fallback where those networks are available.
With CMT Edge, the gateway stores measurements on site. Engineers can view readings, check device status and manage the network over a local connection on sites without internet access. CMT Edge supports integration via MQTT, FTP/FTPS, Modbus TCP and API. A K20 Edge Repeater can extend radio coverage when matched to the gateway’s frequency variant.
CMT Cloud brings multiple networks and sites together in one interface. Where radio coverage overlaps, another gateway can receive measurements and deliver them to the cloud if one gateway goes offline. Worldsensing specifies up to 30 messages per minute for a single-gateway Edge deployment and up to 200 messages per minute for a multi-gateway Cloud deployment.
The IP67 enclosure is rated for operation from −40 to +60 °C. The gateway supports PoE and USB‑C power. A compatible solar power kit can be specified for remote sites.
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Technical specifications
- Radio protocol LoRa / LoRaWAN
- Receive channels 8 receive channels, 125 kHz bandwidth
- Radio range Up to 15 km in line-of-sight conditions
- Frequency bands 863–874.4 MHz, 902–928 MHz or 915–928 MHz, depending on variant
- Receive sensitivity −137 dBm at SF11, −141 dBm at SF12
- Backhaul 4G LTE with 3G/2G fallback, 10/100 Mbps Ethernet via RJ45
- Antennas Integrated GPS, 4G and LoRa antennas, 2.6 dBi peak gain. Optional 3 or 6 dBi external LoRa antenna
- Interfaces RJ45 with PoE, USB‑C, Mini‑SIM slot
- Power supply IEEE 802.3af PoE, Modes A and B, or 5 V via USB‑C
- Mean power consumption 4.5 W with good cellular reception
- Operating temperature −40 to +60 °C
- Ingress protection IP67
- Enclosure materials Aluminium back, polycarbonate front
- Dimensions 265 × 165 × 100 mm excluding the external LoRa antenna
- Weight 1.4 kg including the mounting kit
- Software CMT Edge or CMT Cloud, depending on the model
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4G Rugged Gateway applications
- Open-pit mines, underground mines and tailings facilities. Collect data from monitoring points on pit slopes, waste dumps and tailings dams. Connect compatible GNSS sensors and data loggers that read piezometers or inclinometers;
- Construction sites and neighbouring buildings. Collect settlement, tilt, vibration and crack-opening measurements during excavation and construction in built-up areas;
- Railways, bridges and tunnels. Carry readings from monitoring points along rail corridors, on bridge structures and in tunnels. Gateway placement is planned around terrain and radio obstructions;
- Dams, buildings and other civil structures. Connect several monitoring areas to collect displacement, deformation and structural condition data in one system.
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Technical specifications
Variant Software Product codes Deployment 4G Rugged Gateway Edge CMT Edge GW-4G-EDGE-868, GW-4G-EDGE-915, GW-4G-EDGE-923 Local single-gateway network with on-site data storage 4G Rugged Gateway Cloud CMT Cloud GW-4G-CLOUD-868, GW-4G-CLOUD-915, GW-4G-CLOUD-923 Centralised network management and multi-gateway redundancy 4G Rugged Gateway Edge 915R CMT Edge GW-4G-EDGE-915R North American 902–928 MHz variant with K20 Edge Repeater 915R support
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