Poynting HELI-21 Circular-Polarised Tunnel Dual Band WiFi antenna; 2400 to 6000 MHz

Description::

Compact dual-band tunnel antenna delivering reliable Wi-Fi connectivity in harsh underground environmentsThis high-performance Mini-HELI antenna is purpose-built for mining tunnels construction shafts and underground corridors where stable connectivity is essential. Despite its compact size it provides medium-to-high gain strong signal penetration and dependable bi-directional coverage along tunnel paths. With dual-band Wi-Fi support and circular polarisation options it is ideal for M2M IoT telemetry and automation systems operating in demanding subterranean conditions.Key FeaturesDual-band Wi-Fi operation: Supports 2.4 GHz and 5 GHz for comprehensive underground network coverage.Bi-directional radiation pattern: Radiates effectively in both tunnel directions for consistent end-to-end coverage.Circular polarisation options: Available in LHC and RHC to enhance MIMO performance and improve link reliability.Optimised MIMO decorrelation: Provides strong spatial and polarisation diversity for improved noise resilience and signal consistency.Four-port configuration: Designed specifically for high-performance mining and tunnel communication systems.Compact Mini-HELI form factor: Small footprint with medium-to-high gain ideal for tight or restricted tunnel installations.Reliable stope penetration: Capable of extending coverage beyond main tunnels into branching stopes.Engineered for underground mobility telemetry and network extension this antenna enables dependable Wi-Fi and IoT connectivity across complex tunnel infrastructures. Read more

Specification:

Compact dual-band tunnel antenna with bi-directional coverage circular polarisation four-port design and strong gain for reliable underground Wi-Fi IoT and mining automation.

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