You’ll see that CubeSats use a U designator to indicate their size. Each U is a cube measuring 100mm — about 4 inches — on a side. So a 2U satellite would be the same size as two 1U ...
The CubeSat standard defines a 1-unit or "1U" CubeSat as a 10 cm x 10 cm x 10 cm nanosatellite weighing no more than 1.33 kg. CubeSats can be 1U, 2U, 3U, or even 6U, with increasing mass allowances.
In a statement, AAC said the combined company would offer "high-reliability technology and products" in a segment ranging from 1U CubeSats to 500kg satellites. Clyde Space founder and chief ...