GEO FLYAWAY ANTENNAS & TERMINALS

2.4m 2020 Multi-Band Motorized Antennas

AvL’s 2.4m motorized flyaway antennas operate with an enhanced-duty Model 2020 positioner and an offset or axi-symmetric reflector. Standard operation for these antennas is Ku-band with optional Ka-band or X-band with operational wind tolerances of 30 mph (48 kph) gusting to 45 mph (72 kph). 2.4m 2020 antennas in offset configuration also operate in C-band.

KEY FEATURES

The 2.4m military flyaway antenna family includes the following models:

  • Model 2418 2.4m 2020-T Axi-Symmetric Motorized Quad-Band Tripod Antenna – axi-symmetric C-, X-, Ku- or Ka-band antenna with the positioner integrated onto a tripod base; the antenna packs into four cases; the 2020 positioner operates with wind tolerances of 30mph gusting to 45mph
  • Model 2460 2.4m 2020-T Offset Motorized Quad-Band Tripod Antenna – offset C-, X-, Ku- or Ka-band antenna with the positioner integrated onto a tripod base; the antenna packs into four or five cases depending on the configuration; the 2020 positioner operates with wind tolerances of 30mph gusting to 45mph
  • Model 2460 2.4m 2020PIB Offset Motorized Quad-Band Antenna – offset C-, X-, Ku- or Ka-band antenna with the positioner integrated onto and operates on one case; the antenna packs into four or five cases depending on the configuration; the 2020 positioner operates with wind tolerances of 30mph gusting to 45mph
Reflector constructionSegmented carbon fiber or carbon fiber composite
Axis travel
          Azimuth 
          Elevation, operational
          Polarization
                                   
+/- 200°
0° to 90° of reflector boresight from calibrated inclinometer
+/- 95° adjustable to within 1°
Max slew speeds – axi-symmetric reflector
          Azimuth
          Elevation
          Polarization, LP feeds
                                           
3°/second
1°/second
5°/second
Az / El speed – offset antennas
          Slewing / deploying, typical
          Peaking, typical
                                   
2°/second Az; 1°/second El
0.2°/second
Set-up & acquisition time, Ku-band, typical
          Assembly
          Acquisition
                             
<15 minutes
<5 minutes
Manual / emergency driveHandcrank for Az and El
Power requirements24-28VDC 500W
Transport weights and dimensions, nominalStandard configuration with one feed:
Axi-symmetric: four cases, all weigh < 170 lbs. (< 77 kg)
Offset: five cases, all weigh < 170 lbs. (<77 kg)

Wind – survival, anchored

Axi-symmetric: 60 mph in 90º elevation stowed position 
Offset: 80 mph (129 kph) in 90º elevation stowed position 

Wind – operational, any look angle
          Without anchoring
          With anchoring

25 mph (40 kph) 
30 mph (48 kph) gusting to 45 mph (72 kph)

Pointing loss in operational wind, Ku-band Rx
          Axi-symmetric
          20 mph (32 kph)
          30 mph (48 kph) gusting to 45 mph
          (72 kph)
                                        
          Offset
          30 mph (48 kph) gusting to 45 mph
          (72 kph)

                                         
                                         
0.2dB typical
1.2 dB typical
                                                  
                                                   
                                            
1.3 dB typical, 2.4 dB max

Temperature – operational

-25°F to 125°F (-32°C to 52°C)

 Temperature – storage

-40°F to 140°F (-40°C to 60°C)

 Std. Ku-band ReceiveStd. Ku-band TransmitOpt. Ka-band ReceiveOpt. Ka-band Transmit
Frequency range (GHz)10.95 – 12.7513.75 – 14.520.2 – 21.230.0 – 31.0
Polarization configurationLinear orthogonal standard, opt. co-polCircular, opt. linear
Gain, mid-bandAxi: 47.3 dBi
Offset: 47.4 dBi
Axi: 48.8 dBi
Offset: 48.9 dBi
Axi: 51.9 dBi
Offset: 52.1 dBi
Axi: 55.1 dBi
Offset: 55.0 dBi
-3dB beamwidth, mid-band0.7°0.6°0.4°0.3°
Radiation pattern complianceFCC 25.209, ITU-R S.580-6FCC 25.209, MIL-STD-188-164A
G/T with LNB, midband, clear
horizon
Axi: 26.8 dB/°K
Offset: 26.5 dB/°K  with 50°K LNB
 Axi: 28.2 dB/°K 
Offset: 29.0 dB/°K with 100° LNB
 
Antenna noise temp, mid-band, 20° elAxi: 56° K
Offset: 61° K
 104° K 
Axial Ratio, CP only, within pointing cone  1.5 dB 1.0 dB
Cross-polarization isolation
          On-axis, minimum
          Within pointing cone
          
35 dB
28 dB
         
35 dB
30 dB
  
Feed port isolation, Tx to Rx35 dB80 dB including filter30 dB80 dB including filter

The AvL antenna control system is embedded on the antenna with a built-in compass, GPS and tilt compensation. The auto-acquisition controller is ethernet based, modem agnostic, OpenAMIP compliant, up-to-date with the latest cybersecurity, and operates with a web-based user interface that can be used on a phone, laptop or PC. The controller includes a satellite profile management system, a built-in AvL carrier/beacon receiver with an optional rack-mount interface panel or outdoor rated power supply and offers intelligent tracking and multi-orbit capabilities. Power requirements vary by antenna.

  • Feed and port options for X-, Ku- and Ka-bands; additional options for C-band with offset reflector configuration 
  • Standard 2020-T AvL Cable Drive positioner on tripod configuration, AvL 2020-T high-wind positioner with AvL Cable Drive azimuth positioner and elevation machine screw, or 2020 case-based positioner
  • BUC/HPA mounting
  • Waveguide interconnect options
  • Grounding options (lightning conductor)
  • Anchoring options
  • Spare parts kit

*Specifications subject to change without notice.