The DGXZ+15TFTF-A from PolyPhaser is a RF Surge Protector with Frequency 800 MHz to 2.5 GHz, Input Power 300 W, Insertion Loss 0.1 dB, Operating Temperature -50 to 85 Degree C, Operating Voltage 15 V. Tags: Hybrid. More details for DGXZ+15TFTF-A can be seen below.