The IM-235S from Rosenberger is a PIM Analyzer with TX Frequeny 3510 - 3594 MHz, RX Frequency 3410 - 3484 MHz, Tx Carrier Power 36 to 46 dBm, PIM Sensitivity < -168 dBc, Residual PIM < -168 dBc. Tags: Portable. More details for IM-235S can be seen below.