The 3CAT-1 satellite, also known as 3Cat-1, is a CubeSat (1U) technology demonstration satellite manufactured by UPC and owned by the same entity. Launched on November 29, 2018, from SRILR using a PSLV launch vehicle, it has dimensions of 0.1 meters in length, diameter, and span, with a dry mass and launch mass of 1 kilogram each. The satellite's power is provided by solar cells and batteries. Its mission focuses on technology demonstration, and its shape is described as a box. Additional details such as equipment specifications, major events, and specific frequencies for transmission are not available in the provided data.