The A-GABL1-3134-S5S5 from ETL Systems is a RF Amplifier with Frequency 850 MHz to 2.15 GHz, Gain 30 dB, Gain Flatness ±0.7 to ±0.9 dB, Noise Figure 8 dB, Output Power 10 to 15 dBm. Tags: Gain Block. More details for A-GABL1-3134-S5S5 can be seen below.