A microwave barrier (10) is provided which has a first microwave unit (14a) having a microwave transmitter and a first antenna (16a) for transmitting a microwave signal and which has a second microwave unit (14b) having a microwave receiver and a second antenna (16b) for receiving the microwave signal and which also has an evaluation unit which is configured to recognize from the received microwave signal whether an object (17) is located on the microwave path (12) between the first microwave unit (14a) and the second microwave unit (14b). In this respect, the first microwave unit (14a) and the second microwave unit (14b) each have a radio frequency transceiver to transmit and to receive microwave signals and the radio frequency transceiver is part of an integrated digital module for wireless communication.