RT-2 Phoswich Detectors Spectrum (Complex test results at Moscow, Russia)
                                                         (PSD, NaI (G1), CsI (G1) & G2 Spectrum)                       
      

                                        RT-2/S Payload                                                                                                 RT-2/G Payload

             RT-2/CZT (Solid-State detector) Payload