For example, the 900 MHz frequency range was used for both 1G and 2G systems in Europe, so the 1G systems were rapidly closed down to make space for the 2G systems.
Näiteks 900 MHz kasutasid nii 1G- kui ka 2G-süsteem Euroopas, seega suleti 1G-süsteemid kiiresti, et teha ruumi 2G-süsteemidele.