CPI Series 2385 3.8 M X-Band Circular Rx/Tx High-Wind Antenna

CPI Series 2385 3.8 m X-Band Circular Rx/Tx High-Wind Antenna

The CPI Series 2385 X-band is a 3.8 m circularly polarized Rx/Tx antenna engineered for high-wind satellite communications. Covering 7.25–7.75 GHz receive and 7.90–8.40 GHz transmit frequencies, it delivers 47.8 dBi receive gain and 48.4 dBi transmit gain. Its four-piece offset SMC reflector and reinforced mount survive winds up to 150 mph.

Antenna Diameter: 3.8 m
Polarization: Circular
Receive Frequency Range: 7.25–7.75 GHz
Transmit Frequency Range: 7.90–8.40 GHz
Receive Midband Gain: 47.8 dBi ±0.2 dB
Transmit Midband Gain: 48.4 dBi ±0.2 dB
Receive Noise Temperature: 60 K at 5°; 51 K at 10°; 47 K at 20°; 47 K at 40° elevation
Receive 3 dB Beamwidth: 0.80°
Transmit 3 dB Beamwidth: 0.70°
Receive 15 dB Beamwidth: 1.60°
Transmit 15 dB Beamwidth: 1.50°
Receive Cross-Polarization Isolation: Greater than 23.2 dB on-axis and within the 1 dB beamwidth
Transmit Cross-Polarization Isolation: Greater than 18.8 dB on-axis and within the 1 dB beamwidth
Power Handling: 2 kW
Receive VSWR: 1.3:1 max.
Transmit VSWR: 1.3:1 max.
Receive Interface: WR-112
Transmit Interface: WR-112
X-Band Filters: Available upon request
Reflector Material: Glass-fiber-reinforced polyester SMC
Reflector Construction: Four-piece, easy-to-assemble reflector
Antenna Optics: Offset-fed prime focus, 0.6 F/D
Mast Pipe Interface: 10 in. Schedule 80 pipe, 10.75 in. OD (27.3 cm)
Elevation Adjustment Range: 12°–90°; 0°–15° configuration for polar latitudes
Azimuth Adjustment Range: 360° continuous with ±35° fine adjustment
Operational Wind Performance: Up to 75 mph under the published RF-loss conditions
Survival Wind Speed: 150 mph (240 km/h)
Operating Temperature: -40°F to +140°F (-40°C to +60°C)
Operational Rain Rate: 0.5 in./h (13 mm/h)
Relative Humidity: 0–100% condensing
Atmospheric Resistance: Suitable for coastal and industrial environments
Solar Radiation: 360 BTU/h/ft²

Key Features

• 3.8 m circularly polarized X-band Rx/Tx antenna

• 7.25–7.75 GHz receive frequency range

• 7.90–8.40 GHz transmit frequency range

• 47.8 dBi receive and 48.4 dBi transmit gain

• 2 kW power handling

• WR-112 receive and transmit interfaces

• Optional X-band filters

• Four-piece offset SMC reflector

• 360° azimuth travel with ±35° fine adjustment

• Polar-latitude elevation configuration

• 150 mph survival wind rating

• Designed for demanding government and military satellite links