| 
                      Frequency
                     | 
                  
                  
                    | Frequency range | 
                    R&S®AREG-B124S/-B124D | 
                    24 GHz to 24.25 GHz, single or dual antenna | 
                  
                  
                     | 
                    R&S®AREG-B177S/-B177D | 
                    76 GHz to 77 GHz, single or dual antenna | 
                  
                  
                     | 
                    R&S®AREG-B181S/-B181D | 
                    76 GHz to 81 GHz, single or dual antenna | 
                  
                  
                    | 
                      Signal bandwidth
                     | 
                  
                  
                    | Instantaneous bandwidth | 
                    R&S®AREG-B124S/-B124D | 
                    250 MHz | 
                  
                  
                     | 
                    R&S®AREG-B177S/-B177D | 
                    1 GHz | 
                  
                  
                     | 
                    R&S®AREG-B181S/-B181D | 
                    4 GHz from 76 GHz to 81 GHz (configurable: either 76 GHz to 80 GHz or 77 GHz to 81 GHz) | 
                  
                  
                    | 
                      Artificial objects
                     | 
                  
                  
                    | Object type | 
                     | 
                    fixed distance | 
                  
                  
                    | Total number of objects | 
                     | 
                    4 | 
                  
                  
                    | Object distances | 
                    up to one R&S®AREG-B61 option | 
                    4 m (incl. 0.8 m air gap between R&S®AREG frontend and radar under test) | 
                  
                  
                     | 
                    up to three R&S®AREG-B62 options, distance for each option has to be defined during ordering process | 
                    5 m to 300 m (incl. 0.8 m air gap between R&S®AREG frontend and radar under test); customer definable during ordering process | 
                  
                  
                    | Air gap to device under test | 
                     | 
                    It is recommended that antennas be positioned in far field; 
customer definable during ordering process | 
                  
                  
                    | 
                      Radial velocity
                     | 
                  
                  
                    | Doppler frequency shift | 
                    With R&S®AREG-K799 Doppler frequency shift for all artificial objects together | 
                    yes | 
                  
                  
                    | Individual Doppler frequency shift | 
                    With R&S®AREG-B60 Doppler frequency shift for each artificial object individually | 
                    yes | 
                  
                  
                    | Velocity setting range | 
                    R&S®AREG-B60 and R&S®AREG-K799 | 
                    +/- 500 km/h | 
                  
                  
                    | 
                      Level
                     | 
                  
                  
                    | Absolute maximum RX power at frontend RX waveguide port | 
                    R&S®AREG-B124S/-B124D | 
                    0 dBm (nom.) | 
                  
                  
                     | 
                    R&S®AREG-B124S/-B124D | 
                    –7 dBm (nom.) | 
                  
                  
                     | 
                    R&S®AREG-B181S/-B181D | 
                    –7 dBm (nom.) | 
                  
                  
                    | Maximum TX power at frontend TX waveguide port | 
                    R&S®AREG-B124S/-B124D | 
                    ≥ 15 dBm (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B177S/-B177D | 
                    ≥ 20 dBm (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B181S/-B181D | 
                    ≥ 18 dBm (meas.) | 
                  
                  
                    | Receive/transmit gain control setting range | 
                    all artificial objects together | 
                    > 90 dB (meas.) | 
                  
                  
                    | Receive/transmit gain control setting range | 
                    each artificial object individually | 
                    55 dB (meas.) | 
                  
                  
                    | Receive/transmit gain control step size | 
                     | 
                    0.5 dB (nom.) | 
                  
                  
                    | 
                      IF input/IF output
                     | 
                  
                  
                    | IF input/output interfaces | 
                    with R&S®AREG-B17 option | 
                    calibrated IF outputs on frontend and base unit; 
calibrated IF input on base unit | 
                  
                  
                    | IF input gain from auxiliary TX IF In port (at IF frequency) to frontend TX waveguide output (at RF frequency) | 
                    R&S®AREG-B124S/-B124D, RF frequency = 24.125 GHz | 
                    20 dB (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B177S/-B177D, RF frequency = 76.5 GHz | 
                    20 dB (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B181S/-B181D, RF frequency = 78 GHz or 79 GHz | 
                    20 dB (meas.) | 
                  
                  
                    | IF input compression P1dB level at TX IF In port (at IF frequency) | 
                    R&S®AREG-B124D | 
                    1 dBm (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B177D | 
                    1 dBm (meas.) | 
                  
                  
                     | 
                    R&S®AREG-B181D | 
                    -5 dBm (meas.) | 
                  
                  
                    | 
                      Connectivity
                     | 
                  
                  
                    | Remote control | 
                     | 
                    Ethernet | 
                  
                  
                     | 
                    with R&S®AREG-B86 option | 
                    GPIB, USB |