The TLRF-1250-1450-N from Talent Microwave Inc is a Band Stop Filter with Stopband Frequency 1250 to 1450 MHz, Insertion Loss <1.5 dB, Rejection 40 dB, Power 20 W, VSWR 1.70:1. Tags: Module with Connectors, Cavity Filter. More details for TLRF-1250-1450-N can be seen below.