The ZLSS-4R8G-S+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 4800 MHz, Stopband Frequency Up to 20 GHz, Insertion Loss 0.5 to 2 dB, Rejection 20 to 90 dB, Upper Rejection 20 to 90 dB @7100 to 20000 MHz. Tags: Module with Connector, Suspended Substrate Filter, Stripline. More details for ZLSS-4R8G-S+ can be seen below.