A cushioning device and a packaging assembly for a base station antenna includes an inner cushioning member and an outer cushioning member. Each cushioning member comprises an inflated airbag. The inner cushioning member is configured to abut an end cover of the housing of the base station antenna and to surround at least one protruding member that is provided on the end cover within a cavity defined by the inner cushioning member. The outer cushioning member is configured to cover both ends of the base station antenna.