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TravelSim is a prepaid SIM card that provides telecommunications to clients in 190 countries. TravelSim has 3.5 million subscribers all over the world as of August 2013. [ 3 ] TravelSim has a callback service for voice communications, data, messaging and voicemail.
O2 (typeset as O 2) is a global brand name owned by the Spanish telecommunications company Telefónica. The company uses the O2 brand for its subsidiaries in the United Kingdom and Germany. Since 2018, it is also used as an online-only flanker brand in Spain. [1]
In 2004, Lebara launched its first mobile virtual network, a low-cost international service in the Netherlands, selling SIM cards using mobile carrier Telfort, a subsidiary of KPN. [4] After finding success it subsequently launched operations in other European countries including the UK (2007), France , Spain , Switzerland , Germany (2010) and ...
Telefónica Germany operates second, third and fourth generation mobile networks, allowing customers to use GPRS, EDGE, UMTS up to HSPA+ and LTE for data connections. Most of O2 plans are available both in a pre- and post-paid version, including the all-in-one-flatrates called o2 o and o2 on for enterprise customers.
For prepaid cards, Comviq requires customers to top up an "EU package" costing approximately twice as much as a domestic one. [33] O2 UK has admitted it temporarily throttled roaming speeds across Europe following the abolition of roaming charges. [34]
Austria has 13.0 million assigned numbers (i.e. 2.0 2G, 10.8 3G and 0.1 4G SIM cards), or a 151.0% penetration rate (Q4 2014). [11] The regulatory authority for telecommunication in Austria is the Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR).
In February 2006, after the EGSM900-band, which was in military use before, had become available in late 2005, the German regulation authority Federal Network Agency assigned two 2 x 5 MHz channels to E-Plus and O2 Germany. In return, E-Plus and O2 Germany had to give up some GSM1800 frequencies to two competitive operators T-Mobile and Vodafone.
Country or territory Operator VoLTE B1 2100 MHz B3 1800 MHz B7 2600 MHz B8 900 MHz B20 800 MHz B28 700 MHz B32 1500 MHz B38 2600 MHz B40 2300 MHz CA [G 1] schemes Notes Åland Islands Ålcom: 15 MHz, ...