The PiMPro 1921 [Dual Band] from Communication Components Inc is a PIM Analyzer with TX Frequeny 1930 to 1990 MHz, RX Frequency 1850 to 1910 MHz, PIM Sensitivity -122 dBm ( -165 dBc at 20 Watts and -168 dBc at 40 Watts, Residual PIM -122 dBm ( -165 dBc at 20 Watts and -168 dBc at 40 Watts, AC Power 90 – 256 V, 50 – 60 Hz. Tags: Portable. More details for PiMPro 1921 [Dual Band] can be seen below.