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The Endurosat X-Band transmitter is designed for high data rates and supports a variety of data interfaces and modulation schemes. The module operates in the 7.9 - 8.4 GHz frequency band. The band is allocated by the ITU for Space Operation Service (Space-to-Earth), Earth Exploration Satellite Service (EESS, Space-to-Earth) and Space Research Service (Space-to-Earth). The transmitter is designed to work in accordance with the DVB-S2 ETSI EN 302 307 standard. CCSDS is also available.

It has two modes of operation. In Idle mode the internal memory can be accessed to store data and also set all transmission parameters. In Trasmit mode the device sends the data either from the internal memory or from the payload through the LVDS interface to the radio channel. In both modes all tranmission parameters (central frequency, output power, symbol rate) can be changed in real time.


The small overall dimensions of the metallic box combined with the robust HW architecture of the X-Band Transmitter makes it suitable for CubeSat or nanosat LEO missions.

Key features

  • Spurious Emissions - < -60 dBc
  • Frequency Stability - +/- 1.0 ppm
  • Tx Power - 0.5-2 W (in-flight configurable)
  • Firmware Updates - Local and remote (in-flight) secured application update
  • SD Card Slot - up to 32 GB
  • Interfaces - UART/RS-485 for control and LVDS for data

Testing & qualification

The EnduroSat X-Band transmitter is compliant with the CubeSat standard, DVB-S2 ETSI EN 302 307 standard, and CCSDS.

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Last updated: 2023-01-02

X-Band Transmitter

18,400 EUR




lead time
4 mo
270 g
95.9 ± 0.1 mm
90.2 ± 0.1 mm
23.3 mm
7.9 to 8.4 GHz
RF output power
27 to 33 dBm
supply voltage
12 to 24 V
power consumption
0.42 W (load mode)
18 W (transmit mode at 33 dBm RF output power)
data rate
< 150 Mb/s
baud rate
1 to 30 MBd
21 to 30 dB
operating temperature
-30 to 70 C


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