The TLLF-DC-8G-T2-Cryo from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 8 GHz, Insertion Loss 0.5 dB, Rejection 30 to 55 dB, Power 1 W, Return Loss 20 dB. Tags: Module with Connector, Cryogenic Filter. More details for TLLF-DC-8G-T2-Cryo can be seen below.