The A-GABL1-3130-N5N5 from ETL Systems is a RF Amplifier with Frequency 850 MHz to 2.15 GHz, Gain 20 dB, Gain Flatness ±0.5 to ±0.7 dB, Noise Figure 9 dB, Output Power 8 to 12 dBm. Tags: Gain Block. More details for A-GABL1-3130-N5N5 can be seen below.