The APT4-00101800-2510-D4 from AmpliTech, Inc. is a RF Amplifier with Frequency 100 MHz to 18 GHz, Gain 22 dB, Gain Flatness ±2.5 dB, Noise Figure 2.5 dB, Output Power 10 dBm. Tags: Low Noise Amplifier. More details for APT4-00101800-2510-D4 can be seen below.