The BK-67N from Microlab is a Diplexer with Frequency f1 80 MHz to 2.18 GHz, Frequency f2 2.49 to 2.69 GHz, Power 5 to 150 W, Peak Power 3 kW, Insertion loss 0.3 to 0.8 dB. Tags: Module with Connectors, Cavity. More details for BK-67N can be seen below.