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Shakespeare Super Halo Cell Booster - AT&T, T-Mobile, Verizon - 2G,3G & 4GSuper Halo Cell Booster - AT&T, T-Mobile, Verizon - 2G,3G & 4GThe Super HALO is a marine grade 2G, 3G and 4G voice and data cellular reception solution. Its 5-band compatibility makes it compatible wi... Learn More