The DSXL-T-MA from PolyPhaser is a RF Surge Protector with Frequency 700 MHz to 2.5 GHz, Input Power 500 W, Insertion Loss 0.1 dB, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 85 Degree C. Tags: Filter. More details for DSXL-T-MA can be seen below.