The BWAES-1R7/2R7-4 from Sainty-Tech Communications Limited is a Gain Equalizer with Frequency 1.7 to 2.7 GHz, Insertion Loss 1 to 1.1 dB, Power 30 dBm, Impedance 50 Ohms, Operating Temperature -55 to 125 Degree C. Tags: Die, Negative Gain Slope. More details for BWAES-1R7/2R7-4 can be seen below.