The APTW5-07700850-55K13-WGI112-D6 from AmpliTech, Inc. is a RF Amplifier with Frequency 7.7 to 8.5 GHz, Gain 50 dB, Gain Flatness ±1 dB, Noise Figure 0.50 dB. Tags: Drop-In, Low Noise Amplifier. More details for APTW5-07700850-55K13-WGI112-D6 can be seen below.