The TLRF-2090M-2170M-E from Talent Microwave Inc is a Band Stop Filter with Stopband Frequency 2090 to 2170 MHz, Insertion Loss <3.0 dB, Rejection 45 dB, Power 30 W, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for TLRF-2090M-2170M-E can be seen below.