The 3G coverage in Garran is excellent for 95% of the area. However, there is a small pocket where only slower speeds are possible and there is an even smaller blackspot on the fringe of the area. The 4G coverage in Garran. The 4G coverage in Garran provides high speed access to only half of the area. The other half only has slower speed access and there is a small blackspot at the fringe of the area.