The DAS-JP-DMFS30 from PolyPhaser is a RF Surge Protector with Frequency 698 MHz to 2.7 GHz, Input Power 1.5 W, Insertion Loss 0.1 to 0.4 dB, Operating Current 4 A, Operating Temperature -50 to 85 Degree C. Tags: Hybrid. More details for DAS-JP-DMFS30 can be seen below.