Türksat 4B is a Turkish communications satellite launched on December 19, 2015. It is part of the Türksat satellite fleet, designed to provide telecommunication services, including television broadcasting and internet connectivity, primarily to Turkey and surrounding regions. The satellite operates in the Ku-band frequency range and is positioned in geostationary orbit. With a lifespan of approximately 15 years, Türksat 4B enhances communication capabilities and supports various applications, contributing to the development of the telecommunications infrastructure in Turkey and neighboring countries.