The HELI-21 is a dual-band 2.4 GHz and 5 GHz Wi-Fi antenna, radiating in one direction (i.e. uni-directional). This makes them ideal for the coverage of both Wi-Fi bands in mining and other types of tunnels. These antennas are typically used for the deployment of IoT within the tunnel to provide telemetry and mine automation.
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. The dual-band Wi-Fi connection propagates around tunnel bends in a Non-Line of Sight scenario and provides immunity to many Wi-Fi signal disrupting objects such as trains and drilling machinery which appear to obscure the tunnel.
ABS & PVC
-40°C to +70°C (Operating/ Storage)
MIL-STD 810F/ASTM B117
5% to 95% (non-condensing storage humidity)
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