The PAM-0204 from AH Systems Inc is a RF Amplifier with Frequency 20 MHz to 4 GHz, Gain 22 to 26 dB, Gain Flatness ±5 dB, Noise Figure 4.5 dB, Supply Voltage 12 V. Tags: Pre-Amplifier, Low Noise Amplifier. More details for PAM-0204 can be seen below.