The TDS-302DA from Metropole Products Inc. is a Diplexer with Frequency f1 2025 to 2110 MHz, Frequency f2 2200 to 2290 MHz, Power 10 W, Insertion loss 3.8 dB, Insertion loss f1 3.8 dB. Tags: Module with Connectors, Cavity. More details for TDS-302DA can be seen below.