The TLF-900-2S from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 900 MHz, Insertion Loss 1.5 dB, Rejection 70 dB @1760 to 2668 MHz, Upper Rejection 70 dB, VSWR 2.00:1. Tags: Module with Connector, Microstrip, Suspended Substrate Filter. More details for TLF-900-2S can be seen below.