This LOT is one RF Bay, Inc. Detail Spec on Web as follows. The item "1500-1700MHz +30dBm RF Power Amplifier, MGA-1600, SMA" is in sale since Tuesday, June 28, 2011. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Signal Sources & Conditioning\RF & Microwave Amplifiers".The seller is "rfextra" and is located in Potomac, Maryland. This item can be shipped worldwide.