For this special scenario of elevators, we have designed a set of solutions for rapid construction and installation according to customer requirements: the solution includes two components(one main unit and the other one covering unit), the main unit is installed in the elevator shaft, The number-period antenna receives outdoor signals, and then uses the log-period antenna to send signals to the elevator shaft. The covering unit is installed in the elevator, and the flat-panel antenna is used to cover the inside of the elevator.