Eutelsat 115 West B (before it was called SATMEX 7) - communications satellite used by Eutelsat to providing data, government, mobile services and video for the Americas. Satellite was built by Boeing Space Systems and it's a Boeing 702SP model. on 2 March Eutelsat 115 West B was launched on board a SpaceX Falcon 9 rocket. It had a launch mass 2205 kg. It was the first commercial communications satellite in orbit, which used electric propulsion and thanks to that provide weight savings. On the same rocket with Eutelsat 115 West B was also ABS-3A. (Boeing 702SP satellite).
Eutelsat 115 West B is going to be the first in a group of four satellites in the constellation.