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GD Satcom Sentinel Model 2985 98cm Auto Acquire Antenna Terminal

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  • 10.95-12.75 GHz / 13.75-14.5 GHz
  • Single Offset Prime Focus
  • 98cm Comp. Molded FRP Reflector
  • Mount Type: Elevation over Azimuth


Mount Az over El
Reflector Compression Molded FRP
Optics Single Offset Prime Focus
Polarization Feed Rotation
Physical Characteristics
Antenna Weight 107 lbs
Stowed Dimensions 67.5" L x 39" W x 15" H

(171 cm x 99 cm x 38 cm)
Deployed Height 62" max (157 cm)
Az Travel 370° (±185°)
El Drive System Actuator
Pol Drive System Motor Drive
Offset Correction Yes
Deployment Compass Yes
Sensor Tilt Yes
Model 7000 Indoor Controller Dimensions 7" W x 1.75" H x 7.25" D (17.8 cm x 4.4 cm x 18.4 cm)
RF Specifications
Tx Frequency 13.75 - 14.5 GHz
Rx Frequency 10.95 - 12.75 GHz
Tx Gain 41.3 dBi
Rx Gain 39.8 dBi
Polarization Horiz or Vert
Cross Pol Isolation Within BPE -30.0 dB max
Any Angle off axis -25.0 dB max
Co-Pol Isolation TBD
Sidelobe Envelope

100λ / Dθ<20°




29-25 log θ dBi

-3.5 dBi

32-25 log θ dBi

-10 dBi (avg.)
Rx Port Interface WR-75
Tx Port Interface WR-75
Rx L-Band Interface RG-6
Tx L-Band Interface RG-6
Approvals TBD
Electrical Characteristics
Input Voltage 12VDC (120 VAC optional)
Operational Wind Speed 40 mph w/0.25 dB max. loss

@Ku-Band (64 km/h)
Operational Wind Speed to Stow 50 mph (200 km/h)
Operational Temperature -40° F to 140° F

(-40° C to 60° C)
Storage Temperature -50°F to 160°F

(-50°C to 71°C)
Operational Elevation 70° Max. Look Angle
Modem Interface Via Ethernet
Mount Options Vehicle, Trailer or Ground Mount
Transit Case Optional

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