100 cm Ka band antenna system

RQT-Ka100cm antenna system is designed as a high-end compact and robust Ka-band antenna systems. The system is comprised of the Antenna reflector, feed chain filters, polarizer and related microwave parts. The system is compliant with ITU-R S.465 and EUTELSAT ESOG120 standard.

Key Features

  • Adaptable antenna system
  • Eutelsat ITU-R S.465 compliant
  • Robust Ka band antenna system
  • Optional integrated BUC and LNB
  • Applicable for SOTM or fixed terminals
  • The antenna system can be adjusted to fit the customer mechanics and interface.


The antenna system is tailored to fit the customer mechanics and interface. If required the system parameters can be adjusted to fit the customer needs.

Antenna performance

Application Ka band SATCOM
Tx Frequency 29.0-30.0 GHz
Rx Frequency 19.2-20.2 GHz
Polarity Circular, RHCP/LHCP mechanical pol. Switch
Antenna type Ring focus / back fire feed
Flanges for connection WR28/WR42
main reflector Diameter 100 cm, depth 20 cm
Returnloss ports 20 dB
Isolation ports 70 dB

Typical antenna system gains and half Power beam widths.

Antenna performance

Frequency (GHz) Gain (dBi)
19.20 43.5
20.20 44.0
29.00 47.0
30.00 47.3

Antenna patterns for typical 100 cm solution showing full compliance with ITU-R460 & Eutelsat ESOG120.