The 100025641 from Telegartner is a RF Surge Protector with Frequency DC to 2.5 GHz, Operating Temperature -30 to 100 Degree C, Return Loss 11 to 18 dB, Surge Current 2.5 to 5 kA, Voltage Level 230 V. Tags: Gas Discharge Tube. More details for 100025641 can be seen below.