The BK-12N from Microlab is a Diplexer with Frequency f1 80 to 960 MHz, Frequency f2 1.71 to 2.7 GHz, Power 120 W, Peak Power 3kW, Insertion loss Less than 0.3 to Less than 0.5 dB. Tags: Module with Connectors. More details for BK-12N can be seen below.