Maxtena M1621HCT-U.FL Helical Antenna

Maxtena’s family of M1621HCT and M1600HCT products are high performance antennas designed for the Iridium band and dual Iridium/GPS band, built on proprietary Maxtena HeliCore® technology. This technology provides exceptional pattern control, polarization purity and high efficiency in a very compact form factor. The M1621HCT-UFL and M1600HCT-U.FL come with an integrated coaxial cable with U.Fl connector. Cable length can be customized upon request. This product is ideal for embedded applications requiring minimal integration effort or for retrofitting existing products.


  • Iridium (SBD) Short Burst Data
  • Vehicle & fleet tracking
  • Military & security
  • Asset tracking
  • PDAs and laptops
  • Oil & gas industries
  • Navigation devices
  • Law enforcement
  • LBS & M2M applications

Technical Specifications & Features

  • Optimized for Iridium network
  • Iridium and Iridium/GPS bands
  • Very low axial ratio
  • U.FL interface
  • Ground plane independent


Electrical Specifications

  • Frequency: 1616-1626MHz
  • Polarization: RHCP
  • Antenna element peak gain: 2.5 dBic (typical with 50MM cable)
  • Efficiency: 55%
  • Bandwidth (-1 dB): 20 MHz
  • Axial Ratio: 0.2 dB (typical)/0.5 dB (max)
  • VSWR: 1.5 (MAX)
  • Impedance: 50 Ohm
  • Operating Temperature: from -40°C to 85°C
  • RF Connector: U.FL
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