The IM-FI-1900T from Rosenberger is a PIM Analyzer with TX Frequeny 1850 - 1910 MHz, RX Frequency 1930 - 1990 MHz, Tx Carrier Power 36 to 46 dBm, PIM Sensitivity < -171 dBc, Residual PIM < -171 dBc. Tags: Rack Mounted. More details for IM-FI-1900T can be seen below.