Satellite Internet access
（重定向自Satellite computer）
![WildBlue satellite Internet dish on the side of a house](/Images/godic/202502/09/WildBlueDish5034.jpg")
![A foldable Bigpond satellite Internet dish](/Images/godic/202502/09/Bigpond_internet_Satellite5034.jpg")
![Fresnel zone. D is the distance between the transmitter and the receiver, r is the radius of the Fresnel zone.](/Images/godic/202502/09/FresnelSVG.svg5034.png")
![The back panel of a satellite modem, with coaxial connections for both incoming and outgoing signals, and an Ethernet port for connection](/Images/godic/202502/09/WildBlueSatelliteModemBack5034.JPG")
Satellite Internet access is Internet access provided through communications satellites. Modern satellite Internet service is typically provided to users through geostationary satellites that can offer high data speeds, with newer satellites using Ka band to achieve downstream data speeds up to 50 Mbps.