The TLRF-2780-2980-N from Talent Microwave Inc is a Band Stop Filter with Stopband Frequency 2780 to 2980 MHz, Insertion Loss <2.0 dB, Rejection 50 dB, Power 20 W, VSWR 1.70:1. Tags: Module with Connectors, Cavity Filter. More details for TLRF-2780-2980-N can be seen below.