AT27755 Iridium Aviation Patch Antenna

Low profile hybrid antenna for fixed wing and rotorcraft airframes.

AeroAntenna’s AT27755-110 is a high performance Iridium antenna suitable for all turbine, turboprop and piston airframes.

View the Datasheet PDF


This low-profile Iridium/GPS antenna is an Iridium-frequency antenna designed for both fixed wing and rotorcraft airframes and works with Iridium-based voice and data communications devices.

The single channel aviation patch (Iridium/GPS) provides continuous coverage from 1565 MHz to 1626.5 MHz for excellent Iridium operation as well as GPS L1 applications.

Mechanical configuration is a spherical-radius molded radome which provides enhanced protection against rain, ice, and lightning strikes. It is qualified for high-speed military aircraft as well as ARINC applications.

The AT27755-110 is FAA approved under TSO C-144 for use with IRIDIUM satellite receivers for voice or data communications.

Physical  Characteristics:

  • Weight: 8oz
  • Material: A380 Aluminium Alloy Casting Ultem 220 Radom
  • Finish: White Polyurethane


  • Connector: TNC Female


  • Operating Temperature: -55 to +85C
  • Altitude: 70,000ft


  • Impedance: 50 Ohms
  • VSWR: Less than 2:1
  • Frequency: 1595 ±30 MHz (-1.5dB Bandwidth)
  • Polarization: Right Hand Circular
  • Axial Ratio: 3dB Max

Designed to:

  • ARINC 743
  • TSO: C-144

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