The Internet in Greece relied on PSTN/ISDN modem dial-up from 1990 until 2003, when ADSL was commercially launched by incumbent operator OTE. ADSL2+, VDSL2 and GPON are currently the main broadband standards. Greece also has 3G, 4G, 4G+ and 5G mobile broadband (HSPA) and a more expensive Satellite Internet access. Greece has an extensive fiber-optic network throughout the country.