SENyT | Electronic Systems for Navigation and Telecommunications

Q-COMM

Compact UHF transceiver and S-band transmitter, ideal for CubeSat missions.

Foto

Applications

  • CubeSat communication module
  • Multi-band communications-relay

Features

  • CubeSat form factor
  • 2 x MCX antenna inputs
  • UHF transceiver (434 MHZ)
  • S-band transmitter (2425 MHz)
  • 5V DC input
  • 27 dBm transmit power (UHF,S-band)
  • FSK/GFSK/MSK modulation
  • Aluminium enclosure
  • CAN / SPI (LVDS) / I2C data interfaces
  • ARM 32 bit Cortex -M4 CPU for custom decoding/encoding algorithms
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This module allows CubeSats to entablish a communication link with a earth ground station. The module can use UHF band (434 MHz) for transmit commands and receive command response, and the S-band (2.4 GHz) to send mission data down to Earth. Transmit power is about 27 dBm for each band. Modulation parameters can be modified on-fly to save power and improve link quality.

The Q-COMM incorporates a microcontroller for data encoding or handling, and several interfaces to comunicate with other modules, (i.e. on-board computer of the satellite). Its aluminum enclosure improves EMI/EMC and helps to disipate heat from the module