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SKU: ANT-PY-00028
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The HELI-21 is a dual-band 2.4 GHz and 5 GHz uni-directional Wi-Fi antenna, optimally designed for mining and tunnel environments. Featuring Left Hand Circular (LHC) and Right-Hand Circular (RHC) polarisation, it excels in signal propagation and stability, even in non-line-of-sight conditions and amidst common disruptions like trains and machinery. Its rugged, IP65-rated build makes it ideal for M2M and IoT deployments in these challenging settings.
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The HELI-21 is a pivotal member of the Mini-HELI antenna series, standing out for its compact size relative to its larger counterparts in the HELI series. Despite its miniaturization, it delivers medium to high gain, making it particularly suitable for mining tunnels where IoT/M2M connectivity is essential. Additionally, it can effectively provide coverage into the stopes.
This antenna is a dual-band model, operating seamlessly on both 2.4 GHz and 5 GHz Wi-Fi bands. Its bi-directional radiation pattern is specifically tailored for the unique demands of mining and other tunnel environments. The HELI-21 is commonly employed for deploying IoT applications within tunnels to facilitate telemetry and mine automation.
Supports both 2.4 GHz and 5 GHz frequencies, ensuring comprehensive Wi-Fi coverage.
Effectively radiates in both directions, ideal for tunnel environments.
Available in both LHC and RHC polarisations, enhancing MIMO deployment and RF reliability in tunnels.
Offers superior performance through polarisation differences and spatial diversity between antenna elements.
Specifically engineered for mining and tunnel applications requiring rapid network extension.
Ideal for supplementing fibre/leaky feeder cable hotspots, enhancing mobility and extending networks to inaccessible areas.
Facilitates a range of underground telemetry and automation applications.
Enables the creation of comprehensive underground data networks and internet/LTE connectivity.
Provides uninterrupted connection to cellular phones, smart devices, and tablets used by personnel in underground settings.
The HELI-21 is a versatile, high-performance antenna, specifically designed for challenging underground environments. Its ability to provide robust and reliable connectivity makes it an invaluable asset in modern mining operations and other tunnel-based applications
Weight | 4.4 kg |
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Dimensions | 65 × 46 × 33 cm |
Model | A-HELI-0021-V2-01 |
Radome material | ABS & PVC |
Radome colour | Grey |
Mounting | Ceiling-mountable |
Wind Survival | ≤120 km/h |
Operating Temperature | -40°C to +70°C (Operating/ Storage) |
Environmental Conditions | Indoor/ Outdoor |
IP Rating | IP 65 |
Salt Spray | MIL-STD 810F/ASTM B117 |
Humidity | 5% to 95% (non-condensing storage humidity) |
Flammability rating | UL 94-HB |
Impact Resistance | IK 08 |
Certifications | CE-Mark, RoHS |
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