This LOT is one RF Bay, Inc. Detail Spec on Web as follows. The item "4800-6000MHz 1W RF Power Amplifier, MPA-54-30, New, SMA" is in sale since Tuesday, April 12, 2011.
This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "rfextra" and is located in Potomac, Maryland. This item can be shipped worldwide.