Description The HELI-33 forms part of our HELI antenna series, a circular polarized, ultra-wideband antenna designed for optimal performance across the 617 to 4200 MHz spectrum. It is ideal for cellular and IoT/M2M deployments, where it excels in tunnels, providing robust telemetry and enhancing mining automation. The circular polarization enhances signal propagation around bends, ensuring a reliable connection in non-line-of-sight scenarios and offering immunity to signal-disrupting elements like trains and drilling machinery. The HELI-33 also meets low PIM requirements with an impressive -150dBc at 2 x 20 W inputs, minimizing interference for critical applications. With a peak gain of 10dBic across the entire operational band from 617 to 4200 MHz, this antenna guarantees consistently strong signal performance. In summary, the HELI-33 is a versatile solution, delivering reliability, resilience, and peak performance for cellular and IoT/M2M deployments in challenging environments, particularly tunnels. Ultra-Wideband Circular Polarised LTE/5G Antenna Circular Polarised HELI antenna provides enhanced signal propagation and connection stability within a tunnel Uni-directional – radiates in one direction in a tunnel Left-Hand Circular (LHC) & Right-Hand Circular (RHC) polarised Low PIM antenna (-150dBc) for high power applications Ruggedized, water and dust ingress protected (IP 65) Ideal for Mining & Tunnel M2M and IoT deployments Technical Specification Unboxing Video here Blog Post Here Industry (Application) Mining & Tunnelling Antennas Technology Cellular (LTE/4G/CBRS/5G), Wi-Fi Frequency Range 617 – 4200 MHz Frequency Band 617-960MHz, 1427-1517MHz, 1710-2170MHz, 2300-2400MHz, 2400-2500MHz, 2500-2700MHz, 3400-4200MHz 5G Bands n1, n2, n3, n5, n7, n8, n12, n13, n14, n18, n20, n25, n26, n28, n29, n30, n34, n38, n39, n40, n41, n48, n51, n53, n65, n66, n67, n71, n74, n75, n76, n77, n78, n80, n81, n82, n83, n84, n85, n86, n89, n90, n95, n97, n98, n100, n101, n106, n256 LTE/4G Bands B1, B2, B3, B4, B5, B7, B8, B9, B10, B12, B13, B14, B17, B18, B19, B20, B25, B26, B27, B28, B29, B30, B33, B34, B35, B36, B37, B38, B39, B40, B41, B44, B53, B65, B66, B67, B68, B69, B71, B74, B85, B103, B106 Wi-Fi Standard Wi-Fi 3 (802.11g) Gain 10dBic Directionality Uni-Directional Mounting Type Ceiling Mount, Pole/Hanger Bolt Mount Connectors 4.3-10 (F) MIMO SISO Polarisation Circular Polarised Environmental IP65 Enclosure Name MinePoynt Enclosure Size Large LTE Ports 1
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