Spacek Labs model P34-1 is a low-noise mixer-preamplifier that covers a 26 GHz bandwidth in Ka-band. The LO + RF bandwidths are 2 GHz wide in WR-28. The IF an-d is 10 to 500 MHz. LO power input is +10 dBm. RF to IF gain is 25 dB typ. And the DSB noise figure is 2.5 dB typ. And 3.0 dB max. Bias is 25 mA at +15 V.