The TETRA 400 from AWT Global is a PIM Analyzer with TX Frequeny 390 to 400 MHz, RX Frequency 380 to 384 MHz, Transmitter Freq. Accuracy 200 ppm, Tx Carrier Power +20 to +44 dBm (46 dBm optional), Transmitter Power Accuracy +/- 0.35 dB. Tags: Bench Top. More details for TETRA 400 can be seen below.