The LNA21G29G from Lotus Communication Systems is a RF Amplifier with Frequency 21 to 29 GHz, Gain 10.5 to 13 dB, Gain Flatness ±2.5 dB, Noise Figure 2.5 to 3.5 dB, P1dB 8 to 9 dBm. Tags: Low Noise Amplifier. More details for LNA21G29G can be seen below.