This preamp has been recently tested and exceeds the original specification delivering 29.6 dB gain and a noise figure of 1.98 dB at 

24 GHz. Terminated in SMA connectors the amplifier is in extremely good condition. Ideal for breathing new life into a tired 24 GHz

 transceiver. Can also be used with a low level signal source to produce low power beacon on 24 GHz