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Anoutsideantennasystemshouldnotbelocatedinthevicinityofoverheadpowerlinesorotherelectriclightorpowercircuits,orwhereitcanfallintosuchpowerlinesorcircuits.Wheninstallinganoutsideantennasystem,extremecaresholdbetakentokeepfromtouchingsuchpowerlinesorcircuitsascontactwiththemmightbefatal. InstallationTheventilationshouldnotbeimpededbycoveringtheventilationopeningwithitems,suchasnewspapers, tablecloths,curtains,etc. Atleast10cmspaceshouldbeleftaroundtheapparatusforsufficientventilation. Theproductsh