GD Satcom 7.3M Cassegrain Antenna

Out of stock
  • L, S, C, X, Ku and DBS-band feeds
  • C/Ku receive only feed systems
  • Specialized feed systems (e.g. extended, multi-band)
  • Antenna control system with tracking

GD Satcom 7.3M Cassegrain Antenna

The General Dynamics SATCOM Technologies 7.3-meter Antenna delivers exceptional performance for transmit/ receive and receive only applications for L through DBS-band frequencies. This antenna offers a reflector design that incorporates precision-formed panels, contoured radials and a machined hub assembly. It features an innovative Cassegrain feed and subreflector design which results in high gain, low noise temperature, high antenna efficiency and excellent rejection of noise and microwave interference. A large center hub provides spacious accommodation for equipment mounting. The reflector is supported by a galvanized kingpost pedestal that provides the required stiffness for pointing and tracking accuracy. The pedestals are designed for full orbital arc coverage and are readily adaptable to ground or rooftop installations. The electrical performance is compliant with FCC and ITU-RS-580 sidelobe specifications and Intelsat (F3, E3) and Eutelsat (L, S1) requirements. All configurations meet SATCOM Technologies’ own type-approved quality assurance and performance guarantee.


  • L, S, C, X, Ku and DBS-band feeds
  • C/Ku receive only feed systems
  • Specialized feed systems (e.g. extended, multi-band)
  • Antenna control system with tracking
  • Reflector and feed deicing systems
  • Environmental hub configurations
  • Integrated transmit cross axis kits
  • Integrated LNA or LNB systems
  • HPAs, converters and M&C systems
  • Load frame mounts
  • Packing for sea and air transport
  • Turnkey installation and testing


  • Extended azimuth travel
  • Low operating temperatures
  • High power configurations

The Strength to Perform

  • Bolt-together, all-aluminum reflector with self-aligning, fully interchangeable components
  • Designed for 1.5 to 18 GHz operation, meeting FCC 25.209 and ITU-RS-580 regulations
  • Galvanized steel elevation-over-azimuth pedestal with jackscrews
  • Survives 125 mph winds in any position
More Information
Country of ManufactureUnited States
Antenna Size7.3m
ManufacturerGD Satcom
Prime FrequencyC-Band, Ku-Band, DBS-Band
Input Frequency3.4 - 4.2 GHz, 3.625 - 4.20 GHz, 10.7 - 12.75 GHz
Output Frequency5.850 - 6.425 GHz, 5.85 - 6.725 GHz, 13.75 - 14.5 GHz, 17.3 - 18.4 GHz
Tx GainC-Band Circ. 51.70 dBi, C-Band Linear 51.80 dBi, Ext. C-Band Linear 51.80 dBi, Ku-Band Linear 58.10 dBi, DBS-Band Linear 59.60 dBi
RX GainC-Band Circ. 48.10 dBi, C-Band Linear 48.10 dBi, Ext. C-Band Linear 48.00 dBi, Ku-Band Linear 56.50 dBi, DBS-Band Linear 56.90 dBi
PolarizationLinear Cross Pol, Circular Pol
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