The CGXJ+15NFNF-A from PolyPhaser is a RF Surge Protector with Frequency 400 MHz to 1.2 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 CGXJ+15NFNF-A can be seen below.