The 100024589 from Telegartner is a RF Surge Protector with Frequency 806 to 2200 MHz, Input Power 1.8 kW, Insertion Loss 0.1 dB, Operating Temperature -55 to 150 Degree C, Return Loss 23 to 27 dB. Tags: Quarter-Wave Shorting Stub (QWS). More details for 100024589 can be seen below.