{"product_id":"pwt-90012593","title":"Poynting HELI-31 Left-Hand Circular Polarised Directional Mine\/ Tunnel Antenna  1700 to 7200 MHz","description":"\u003ch4\u003eDescription::\u003c\/h4\u003eUltra-wideband tunnel antenna delivering stable industrial connectivityThe HELI-31 is a compact  circular-polarised antenna engineered for harsh underground environments where stable  wideband connectivity is essential. Designed for mining  tunnelling  and heavy-industry operations  it delivers high-performance coverage from 1700 to 7200 MHz  ensuring reliable telemetry  M2M communication  automation  and Wi-Fi\/LTE\/5G propagation even in challenging non-line-of-sight scenarios. Its rugged construction and ability to maintain signal integrity around tunnel bends make it exceptionally effective for demanding underground deployments.Key FeaturesUltra-wideband frequency support: Operates from 1700–7200 MHz to support Wi-Fi 6  LTE  4G and 5G communication systems across industrial and underground networks.High-gain circular polarisation: Provides a 9.5 dBic peak gain  improving stability  reducing reflections  and enhancing RF performance in tunnel environments.Uni-directional radiation profile: Radiates forward along the tunnel path  optimised for controlled coverage and predictable propagation.Reliable in tunnel and mining conditions: Maintains connectivity around bends and in areas obstructed by machinery  geological structures and moving vehicles.MIMO-optimised configuration: Available in Left-Hand Circular (LHC) and Right-Hand Circular (RHC) variants to improve decorrelation and boost MIMO system performance.Rugged industrial radome: Built from ABS and PVC materials for impact resistance  UV protection and long-term reliability in harsh underground environments.Ingress protection for severe conditions: Features IP65 protection against dust and water  ensuring stable operation in wet and contaminated tunnel environments.Wide operating temperature range: Performs reliably from –40 °C to +70 °C  suitable for extreme underground heat or cold airflow conditions.Factory-mounted cable and connector: Equipped with a 600 mm RG-58 coaxial cable and N-Type (Male) connector for secure system integration.Flexible mounting compatibility: Supports ceiling-mount and tunnel-roof mounting using optional brackets for various tunnel geometries and installation requirements.Enhanced continuity for underground networks: Ensures stable connectivity for telemetry  automation  IoT devices  personnel communication systems and underground data networks.Engineered for the demanding nature of mining and tunnel environments  this antenna improves communication reliability  enhances RF stability and ensures strong propagation in complex underground conditions.                                                                                     Read more\u003ch4\u003eSpecification:\u003c\/h4\u003eWideband circular-polarised tunnel antenna delivering reliable LTE\/5G and Wi-Fi connectivity for mining and industrial sites  with rugged design and stable RF performance.\u003cp\u003e    @45\/32\u003c\/p\u003e","brand":"Poynting","offers":[{"title":"Default Title","offer_id":48552239137023,"sku":"ANT-PY-00109","price":549.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0498\/8029\/files\/A-Heli-0031-V1-01-Feature-Image__90149.1763357035.jpg?v=1779260311","url":"https:\/\/phoneinc.com.au\/products\/pwt-90012593","provider":":) Phoneinc","version":"1.0","type":"link"}