This is one RF Bay, Inc. New 440-520MHz 20-28W RF High Power Amplifier, Model Number: HPA-480 with SMA Female Connector. This unit provides 38.5dB gain, Pout greater than +43dBm with 12V DC power operation. This amplifier designed for many application in 440-520MHz frequency band. Detail Spec on Web as follows.
The item "440-520MHz 20-28W RF Power Amplifier, HPA-480, New, SMA" is in sale since Thursday, January 31, 2013. 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.