1.5 to 400 MHz, Frequency Range. Does Not Seem To Meet Spec. (Gain and Power) Across Full Frequency Range. BestTestUS Sells all Types of Hard to Find Parts and Accessories That We Have Acquired Over the Past 25 Years!BestTestUS is a Part of Tech-Systems Electronics, Inc. The item "ENI 550L, RF Power Amplifier, 1.5 to 400 MHz, 50 dB, For Parts or Repair" is in sale since Tuesday, July 2, 2019. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Signal Sources & Conditioning\RF & Microwave Amplifiers". The seller is "besttestus" and is located in Manasquan, New Jersey. This item can be shipped worldwide.