The TSXDC-4310FF from PolyPhaser is a RF Surge Protector with Frequency 698 MHz to 2.7 GHz, Input Power 500 W, Insertion Loss 0.1 to 0.2 dB, Operating Current 6 A, Operating Temperature -50 to 85 Degree C. Tags: Filter, Gas Discharge Tube. More details for TSXDC-4310FF can be seen below.