This LOT is one RF Bay, Inc. New 1-1000MHz 1W Medium Power Amplifier, Model Number: MPA-10-40 with SMA Female Connector.
Detail Spec on Web as follows:
http://www.rfbayinc.com/upload/files/mpa/mpa-10-40.pdf
Other RF Bay, Inc. Produce at:
http://rfbayinc.com/