The ALH503 (-LN) from Northrop Grumman is a RF Amplifier with Frequency 80 to 100 GHz, Gain 14 to 16 dB, Noise Figure 4.2 to 4.3 dB, Input Return Loss 6 dB, Supply Voltage 2 V. Tags: Low Noise Amplifier. More details for ALH503 (-LN) can be seen below.