The A-GABL1-3209-S5S5 from ETL Systems is a RF Amplifier with Frequency 850 MHz to 2.15 GHz, Gain 28 dB, Gain Flatness ±0.5 to ±0.8 dB, Noise Figure 8 dB, Output Power 10 to 12 dBm. Tags: Gain Block. More details for A-GABL1-3209-S5S5 can be seen below.