The RFC1G21H4-24-S from RFHIC is a RF Amplifier with Frequency 20 MHz to 1 GHz, Gain 20 to 21 dB, Gain Flatness ± 1.5 to 2 dB, IP3 43 to 44 dBm, IP3 19.95 to 25.12 W. Tags: Drop-In, Power Amplifier, Driver Amplifier. More details for RFC1G21H4-24-S can be seen below.