AIRLINK® High-Gain Antenna System (HGAS) is a side-mounted, conformal electronically steered phased array. The HGAS is comprised of two antenna assemblies located on the aircraft exterior on either side of the aircraft. AIRLINK® HGAS supports all Inmarsat Aero services including Classic, Swift 64 and SwiftBroadBand, enabling platforms to be connected globally and comply with the FANS-1/A Level D requirement. Data rates up to 432 Kbps per channel are available. AIRLINK® HGAS technologies can be found on both military and commercial systems.
Advantages
Electronically steered phased arrays have numerous advantages over top mounted antennas and
mechanically steered antennas.
- Greater coverage (over 50% higher) than a top-mounted antenna, provides connectivity at higher latitudes and during aircraft maneuvers
- High reliability proven on over 1,600 military and commercial aircraft
- No moving parts via electronic beam steering
- Low profile antenna lowers drag
| Frequency | Transmit: 1626-1660 MHz Receive: 1525-1559 MHz |
| Data Rate | Supports up to 4 Swift-broadband channels |
| Satellite Data Unit | Compatible with ARINC 741 (inquire for Swift-broadband certifications) |
| SBB Channels | Antenna supports up to 4 simultaneous |
| Polarization | RHCP |
| Axial Ratio | Compliant with ARINC 741 |
| System Total Weight | 80 lbs |
| Supply Voltage | 115 VAC, 400 Hz |
| User Interface | Ethernet |
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