![]() If you’re outdoors, dense forest and hills will reduce or block cell signal. Stucco with wire mesh, metal roofs, large logs, and vapor barriers in attics also impede cellular signal, as will a large concrete building between you and the cell tower. Many building materials-including concrete, metal, low-e glass, wood, and plaster-reflect or absorb cellular frequencies, preventing them from penetrating the building and reaching your phone. It’s possible to be close to a cell tower but still be receiving weak cell signal. ![]() ![]() Physical barriers block cellular transmissions
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