The TLRF-1910M-1990M-E from Talent Microwave Inc is a Band Stop Filter with Stopband Frequency 1910 to 1990 MHz, Insertion Loss <1.5 dB(at the corner: 2.0dB Max.), Rejection 60 dB, Power 20 W, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for TLRF-1910M-1990M-E can be seen below.