The PRL-304AN-0DB from Pulse Research Lab is a RF Amplifier with Frequency 233 to 412 MHz, Gain 0.5 dB, Supply Voltage 7.5 to 12 V, AC Voltage 103 to 254 Vac, Current Consumption 125 to 135 mA. Tags: Power Amplifier. More details for PRL-304AN-0DB can be seen below.