The LNA600M4P2GR from Lotus Communication Systems is a RF Amplifier with Frequency 600 MHz to 4.2 GHz, Gain 18 to 21 dB, Gain Flatness ±2 dB, Noise Figure 0.65 to 0.95 dB, P1dB 19 dBm. Tags: Low Noise Amplifier. More details for LNA600M4P2GR can be seen below.