{"product_id":"pwt-90011089","title":"Poynting HELI-42 Circular Polarised  4x4 MIMO  Bi-Directional Mine\/Tunnel WiFi Antenna","description":"\u003ch4\u003eDescription::\u003c\/h4\u003eHigh-gain dual-band tunnel antenna delivering stable circular-polarised Wi-Fi connectivityThis compact Mini-HELI antenna system provides strong  reliable Wi-Fi coverage in underground tunnels  mining corridors and industrial shafts. Supporting both 2.4 GHz and 5 GHz bands  it uses circular polarisation and a bi-directional radiation pattern to ensure consistent connectivity along tunnel paths  even around bends or in non-line-of-sight conditions. Designed for demanding IoT  M2M  telemetry and automation networks  it offers medium-to-high gain performance and enhanced MIMO decorrelation when deployed as a multi-antenna system.Key FeaturesDual-band Wi-Fi performance: Supports 2400–2500 MHz (9.5 dBic) and 5000–6000 MHz (13 dBic) for comprehensive underground coverage.Circular polarisation: Available in both LHC and RHC for improved penetration  stability and MIMO decorrelation.Bi-directional radiation: Radiates effectively in both directions along a tunnel for uniform coverage.Enhanced MIMO deployment: Works seamlessly in 4×4 or 8×8 MIMO configurations when paired with the BRKT-46 mounting bracket.Strong non-line-of-sight performance: Maintains connectivity around bends and through obstructions such as vehicles  trains and mining machinery.Rugged IP65 design: Dust- and water-resistant construction suitable for harsh underground and industrial environments.Ideal for IoT and automation: Commonly used for telemetry  mine automation and wide-area underground data networks.This antenna system provides dependable  high-gain tunnel coverage with advanced polarisation diversity  making it ideal for mining operations requiring robust Wi-Fi and IoT communication.Improving WIFI in your Mine or Tunnel using Poynting's HELI Antennas                                                                                     Read more\u003ch4\u003eSpecification:\u003c\/h4\u003eDual-band circular-polarised tunnel antenna with 9.5\/13 dBic gain  IP65 durability and strong MIMO support for reliable underground Wi-Fi  IoT and mining automation systems.\u003cp\u003e    @231\/47\u003c\/p\u003e","brand":"Poynting","offers":[{"title":"Default Title","offer_id":48552238711039,"sku":"ANT-PY-00085","price":2867.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0498\/8029\/files\/A-Heli-0042-FEATURE-IMAGE__91601.1719222919.jpg?v=1779260310","url":"https:\/\/phoneinc.com.au\/products\/pwt-90011089","provider":":) Phoneinc","version":"1.0","type":"link"}