The PTRONMONF09S from NexTek, LLC. is a RF Surge Protector with Frequency DC to 3.2 GHz, Input Power 37 W, Insertion Loss 1.15 to 1.35 dB, Operating Current 10 A, Operating Temperature -40 to 90 Degree C. Tags: Gas Discharge Tube. More details for PTRONMONF09S can be seen below.