The TLRF-805M-850M-E from Talent Microwave Inc is a Band Stop Filter with Stopband Frequency 805 to 850 MHz, Insertion Loss <1.0 dB(at the corner: 1.5dB Max.), Rejection 60 dB, Power 10 W, VSWR 1.50:1, 1.60:1. Tags: Module with Connectors, Cavity Filter. More details for TLRF-805M-850M-E can be seen below.