I-2K is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation. It is a standard bus for 2,000 kg class satellites; the 'I' in I-2K stands for INSAT, a group of communication satellites developed and launched by ISRO. The satellite buses developed by ISRO are specifically developed for small and medium weight satellites. I-2K spacecraft bus can supply DC power up to 3000 watts. I-2K platform is targeted towards satellites in liftoff mass in range of 1500–2500 kg.
List of satellites launched using I-2K platform
INSAT series (3B 3C 3D 3DR 3E 4C 4CR) IRS series (1C 1D P3) GSAT series (1 2 3 (EDUSAT) 4 5P 6 6A 7 7A 9 14 31) HYLAS-1
Features of I-2K
Launch Mass: . Dimensions: 1.65 * 1.53m in plan & 3.0m in height. Dry Mass: . Payload Mass: . Total Power: 2800 W. Payload Power: 2400 W. Transponder: 12 - 18. Mission Life: 12 - 15 Years.