The PS1L-850 from AWT Global is a PIM Analyzer with TX Frequeny 869 to 896 MHz, RX Frequency 824 to 851 MHz, Transmitter Freq. Accuracy 200 ppm, Tx Carrier Power +15 to +44 dBm (46 dBm optional), Transmitter Power Accuracy +/- 0.35 dB. Tags: Bench Top. More details for PS1L-850 can be seen below.