Mobile radio testing device and method for protocol testing

A mobile radio testing device for protocol testing of a device under test, comprising:

• a downlink path and an uplink path, wherein the uplink path comprises at least a first analysis mode and a second analysis mode;
• a switching device configured to be operated via a signal line to switch the analysis modes, wherein the switching of the analysis modes is digitally controlled via a graphic user interface;
• and
• a demodulator configured to analyze signals from the device under test in the first analysis mode;
• and
• wherein the second analysis mode is configured to analyze signals from the device under test without using the demodulator.