S2023 S-Band Satellite Antenna

The S-Band Antenna S2023 has been designed for use on board of small satellites. The pattern shape has been optimized particularly for low earth orbit (LEO) missions with NADIR orientation.

The antenna is broadband and operates at both the standard S-Band frequencies for satellite missions, i.e. downlink at 2200 to 2290 MHz and uplink at 2025 to 2110 MHz.

The antenna design is compact, solid and very rugged.

To achieve spherical coverage the S2023 could be used in pairs with opposite placement at the satellite body.


  • Circularly polarized Antenna
  • Hemispherical Coverage
  • Designed for LEO-satellite missions
  • S-Band 2,025 to 2,290 MHz
  • up to 10 watts cw
  • Compact size and low weight
  • Made in Germany

Technical Specification

(Subject to change)

Electrical Specifications

Frequency Range 2025 MHz...2110 MHz uplink 2200 MHz...2290 MHz downlink
Gain 3 dBic boresight, typ. > 0 dBic for -45° < Θ < +45°, typ. > -6 dBic for -90° < Θ < +90°, typ.
Coverage Hemispherical
HP Bandwidth 140° typical
Polarization Right circular (Left circular optional)
Power 40 dBm CW, max.
Impedance 50 ohms
VSWR better than 1,5 : 1
Connector SMA female

Environmental Specifications

[Translate to English:] Operating Temperature -60°C...+120°C (extended range upon request)
Vibration 20...2,000 Hz; 25g rms random, 3-axis
Shock 100g (100 Hz), 3,500g (>1000 Hz)

Mechanical Specifications

Dimensions Length approx. 70 mm w/o connector Reflector d = 100 mm Radome d = 60 mm
Mounting 6 holes each 4.2 mm
Weight ca.140g
Radome PEEK (beige) VESPEL (gold brown) optional
Reflector AW6082 with finish Alodine1200 or SURtec650


Datasheet S2023R