CPI Series 1386 3.8 M C- or Ku-Band Dual-Axis Motorized VSAT Antenna

CPI Series 1386 3.8 m C- or Ku-Band Dual-Axis Motorized VSAT Antenna

The CPI Series 1386 is a 3.8 m dual-axis motorized Rx/Tx VSAT antenna available in linear C-band, circular C-band or Ku-band configurations. Its four-piece offset SMC reflector delivers up to 53.0 dBi transmit gain, while the galvanized steel elevation-over-azimuth mount provides 0.05° tracking accuracy for demanding broadcast, telecommunications and data applications.

Antenna Diameter: 3.8 m (12.5 ft.)
Available Configurations: Linear C-band, circular C-band or Ku-band
Reflector Material: Glass-fiber-reinforced SMC
Reflector Construction: Four-piece, easy-to-assemble reflector
Antenna Optics: Offset-fed prime focus, 0.6 F/D
Mount Type: Dual-axis motorized elevation-over-azimuth
Mount Construction: Galvanized steel
Actuators: Recirculating ballscrews
Antenna Control Interface: Electrical interface to antenna control unit
Tracking Accuracy: 0.05°
Elevation Adjustment Range: 12°–90°; 0°–15° configuration for polar latitudes
Azimuth Adjustment Range: 360° continuous with ±35° fine adjustment
Mast Pipe Interface: 10 in. Schedule 40 pipe, 10.75 in. OD (27.3 cm)
Nominal Net Weight: 1,125 lb. (511 kg)
Nominal Packaged Weight: 1,882 lb. (855 kg)

Linear C-Band Specifications

Receive Frequency Range: 3.625–4.200 GHz
Transmit Frequency Range: 5.850–6.425 GHz
Receive Midband Gain: 42.0 dBi ±0.2 dB
Transmit Midband Gain: 46.5 dBi ±0.2 dB
Receive VSWR: 1.3:1 max.
Transmit VSWR: 1.3:1 max.
Receive 3 dB Beamwidth: 1.40°
Transmit 3 dB Beamwidth: 0.90°
Receive 15 dB Beamwidth: 3.20°
Transmit 15 dB Beamwidth: 2.00°
Noise Temperature: 55 K at 5°; 45 K at 10°; 38 K at 20°; 36 K at 40° elevation
Power Handling: 1 kW
Cross-Polarization Isolation: Greater than 30 dB on-axis; greater than 27 dB within the 1 dB beamwidth
Receive Interface: CPR-229
Transmit Interface: CPR-137 or Type N

Circular C-Band Specifications

Receive Frequency Range: 3.625–4.200 GHz
Transmit Frequency Range: 5.850–6.425 GHz
Receive Midband Gain: 41.8 dBi ±0.2 dB
Transmit Midband Gain: 46.3 dBi ±0.2 dB
Receive VSWR: 1.3:1 max.
Transmit VSWR: 1.3:1 max.
Receive 3 dB Beamwidth: 1.40°
Transmit 3 dB Beamwidth: 0.90°
Noise Temperature: 62 K at 5°; 52 K at 10°; 45 K at 20°; 43 K at 40° elevation
Power Handling: 1 kW
Receive Cross-Polarization Isolation: Greater than 15.0 dB
Transmit Cross-Polarization Isolation: Greater than 17.7 dB
Standard Transmit Axial Ratio: 1.3
Optional F-1 Feed Axial Ratio: 1.09, equivalent to greater than 27.3 dB transmit XPD
Receive Interface: CPR-229
Transmit Interface: CPR-137 or Type N

Ku-Band Specifications

Receive Frequency Range: 10.70–12.75 GHz
Transmit Frequency Range: 13.75–14.50 GHz
Receive Midband Gain: 51.2 dBi ±0.2 dB
Transmit Midband Gain: 53.0 dBi ±0.2 dB
Receive VSWR: 1.5:1 max.
Transmit VSWR: 1.3:1 max.
Receive 3 dB Beamwidth: 0.50°
Transmit 3 dB Beamwidth: 1.00°
Receive 15 dB Beamwidth: 0.40°
Transmit 15 dB Beamwidth: 0.90°
Noise Temperature: 70 K at 5°; 60 K at 10°; 55 K at 20°; 45 K at 40° elevation
Power Handling: 100 W
On-Axis Cross-Polarization Isolation: Greater than 30 dB receive; greater than 35 dB transmit
Cross-Polarization Within 1 dB Beamwidth: Greater than 25 dB receive; greater than 26 dB transmit
Receive Interface: WR-75
Transmit Interface: WR-75

Environmental Specifications

Operational Wind Speed: 50 mph (80 km/h)
Survival Wind Speed: 125 mph (201 km/h)
Operating Temperature: -40°F to +140°F (-40°C to +60°C)
Operational Rain Rate: 0.5 in./h
Relative Humidity: 0–100% condensing
Atmospheric Resistance: Suitable for salt, pollutants and contaminants encountered in coastal and industrial environments
Solar Radiation: 360 BTU/h/ft²

Key Features

• 3.8 m dual-axis motorized Rx/Tx VSAT antenna

• Linear C-band, circular C-band and Ku-band configurations

• Up to 51.2 dBi receive gain

• Up to 53.0 dBi transmit gain

• Four-piece offset SMC reflector

• High-efficiency 0.6 F/D optics

• Galvanized steel elevation-over-azimuth mount

• Recirculating ballscrew actuators

• 0.05° tracking accuracy

• Continuous 360° azimuth travel

• ±35° fine azimuth adjustment

• Polar-latitude elevation configuration available

• Up to 1 kW C-band power handling

• 100 W Ku-band power handling

• Optional high-performance F-1 circular C-band feed

• Optional X-band filters

• 125 mph survival wind rating

• Suitable for broadcast, telecommunications and data networks