The AAC SpaceQuest TRX-U is a compact single-board transceiver for satellite communications in the UHF Band. Similar to the TRX-V, the TRX-U is an ideal satellite TT&C Radio or Narrow Band Communication Payload for CubeSat and SmallSat missions.

Key features

  • Space Qualified (Multiple Units On Orbit)
  • UHF uplink, UHF downlink
  • Compact Single Board Design
  • CubeSat Compatible

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Last updated: 2022-12-15

TRX-­U Satellite UHF Transceiver



transmit frequency
390 to 450 MHz
receive frequency
390 to 450 MHz
transmit power
1 to 5 W
data rate
2.4 to 19.2 kb/s
7.0 to 9.0 V
power consumption
250 mW (RX)
8 W (TX for 2 W RF out with 7.0 V input)
-120 dBm @ 2400 bps (zero errors)
-111 dBm @ 19.2 kbps (zero errors)
operating temperature
-20 to 60 C
storage temperature
-30 to 80 C
mechanical vibration
15 Grms (20 – 2000 Hz)
140 g
83 mm
57 mm
16 mm


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