The PAM-1840VH from AH Systems Inc is a RF Amplifier with Frequency 18 to 40 GHz, Gain 33 to 37 dB, Gain Flatness ±3.7 dB, Noise Figure 3.7 dB, Output Power 6 dBm. Tags: Pre-Amplifier, Low Noise Amplifier. More details for PAM-1840VH can be seen below.