The 100024581 from Telegartner is a RF Surge Protector with Frequency 380 to 512 MHz, Input Power 1.8 kW, Insertion Loss 0.1 dB, Operating Temperature -55 to 150 Degree C, Return Loss 23 dB. Tags: Quarter-Wave Shorting Stub (QWS). More details for 100024581 can be seen below.