PMI Model No. TA-SDLVA-0120-70 Option 105F adjustable threshold detector log amplifier operates from 1.3 to 1.7 GHz (other frequencies are available), and are designed using GaAs technology which provides stunning performance and reliability in a compact package. TSS is 60 dBm minimum and a logging range of 60 dBm to +5 dBm. Input VSWR @ 23 dBm is 1.8:1 maximum and adjustable threshold. The size is 3.75 inches × 1.50 inches × 0.50 inches.