Roof module having a transmitter and/or receiver apparatus

A roof module having a panel component which forms at least sections of a roof cladding of a vehicle roof, which functions as an outer sealing surface of the roof module, and has a viewing area, wherein at least one transmitter and/or receiver apparatus of an environment sensor is disposed directly and without gaps at the viewing area and/or the panel component or is integrated therein and is configured to transmit and/or receive electromagnetic and/or optical signals directly via the viewing area and/or the panel component.