A radio frequency, RF, scanner system for mobile network testing, wherein the scanner system comprises a switched directional antenna assembly, a radio frequency receiver, and a positioning antenna assembly, wherein the switched directional antenna assembly comprises several directional antennas oriented in different directions, wherein the directional antennas of the switched directional antenna assembly are connected to at least one switch that is controlled by the radio frequency receiver and wherein the switch is configured to switch on and/or to switch off the individual directional antennas of the switched directional antenna assembly, wherein the positioning antenna assembly is configured to receive a Global Navigation Satellite System, GNSS, signal, wherein the radio frequency receiver is connected with the positioning antenna assembly, wherein the radio frequency receiver is configured to receive the GNSS signal from the positioning antenna assembly, which is indicative of the position and/or bearing, wherein the radio frequency receiver is connected with the switched directional antenna assembly, wherein the radio frequency receiver is configured to receive an analog radio frequency signal from the switched directional antenna assembly, and wherein the radio frequency receiver is configured to process the analog radio frequency signal received, thereby converting the analog radio frequency signal to a baseband signal, wherein the radio frequency receiver is configured to record information of the switching state of the switch, wherein the information comprises information concerning the respective individual directional antenna(s) used during a respective measurement, enabling the radio frequency receiver to determine which of the individual directional antenna(s) of the switched directional antenna assembly contribute(s) to the analog radio frequency signal that is received from the switched directional antenna assembly, wherein the radio frequency receiver is configured to gather information of the position and/or bearing, and wherein the radio frequency receiver is configured to combine the information of the switching state, the baseband signal and the information of the position and/or bearing, thereby generating output metadata. wherein the scanner system comprises a switched directional antenna assembly, a radio frequency receiver, and a positioning antenna assembly, wherein the switched directional antenna assembly comprises several directional antennas oriented in different directions, wherein the directional antennas of the switched directional antenna assembly are connected to at least one switch that is controlled by the radio frequency receiver and wherein the switch is configured to switch on and/or to switch off the individual directional antennas of the switched directional antenna assembly, wherein the positioning antenna assembly is configured to receive a Global Navigation Satellite System, GNSS, signal, wherein the radio frequency receiver is connected with the positioning antenna assembly, wherein the radio frequency receiver is configured to receive the GNSS signal from the positioning antenna assembly, which is indicative of the position and/or bearing, wherein the radio frequency receiver is connected with the switched directional antenna assembly, wherein the radio frequency receiver is configured to receive an analog radio frequency signal from the switched directional antenna assembly, and wherein the radio frequency receiver is configured to process the analog radio frequency signal received, thereby converting the analog radio frequency signal to a baseband signal, wherein the radio frequency receiver is configured to record information of the switching state of the switch, wherein the information comprises information concerning the respective individual directional antenna(s) used during a respective measurement, enabling the radio frequency receiver to determine which of the individual directional antenna(s) of the switched directional antenna assembly contribute(s) to the analog radio frequency signal that is received from the switched directional antenna assembly, wherein the radio frequency receiver is configured to gather information of the position and/or bearing, and wherein the radio frequency receiver is configured to combine the information of the switching state, the baseband signal and the information of the position and/or bearing, thereby generating output metadata.