Detailed Answer
Open-pit mines (mining areas) cover large areas; remote control communication needs 200m+: Lideral 470MHz + high-gain antenna can cover; underground roadways (metal structures) attenuate signals fast, requiring repeater networking. Xingjia provides mine-area coverage solutions. Open-pit mines are open, nominal 200m reachable; underground repeaters every 300-500m.
| Open-pit | 200m+ reachable |
| Underground | Repeater networking |
| Solution | Lideral / Xingjia |
Note:Underground repeater layout planned by on-site measurement along roadway direction.