The 100024579 from Telegartner is a RF Surge Protector with Frequency DC to 2.5 GHz, Insertion Loss 0.1 to 0.2 dB, Operating Temperature -55 to 155 Degree C, Return Loss 23 to 32 dB, Surge Current 15 to 40 kA. Tags: Gas Discharge Tube. More details for 100024579 can be seen below.