The G-LNA 140-210 20 5 | 03000031 from Radiometer Physics GmbH is a RF Amplifier with Frequency 140 to 210 GHz, Gain 20 dB, Noise Figure 5 dB, P1dB -3 dBm, P1dB 0.0005 W. Tags: Low Noise Amplifier. More details for G-LNA 140-210 20 5 | 03000031 can be seen below.