PMI Model CDT-2M18-30-BB Options DE, D is a threshold detector that operates over the 2MHz to 18GHz frequency range. This model has a low insertion loss of 2.5dB maximum and operates over an input power range of -30 to 0dBm. The threshold level is adjustable and the output signal is TTL positive logic. In addition to the threshold detector, this unit offers an analog detected output voltage of 0 to 2.5VDC. The operating voltage is ±15VDC and the unit measures 2.5" x 2.9" x 0.5".