The TDS-302A from Metropole Products Inc. is a Diplexer with Frequency f1 2025 to 2120 MHz, Frequency f2 2200 to 2300 MHz, Power 20 W, Insertion loss 0.5 dB, Insertion loss f1 0.5 dB. Tags: Module with Connectors, Cavity. More details for TDS-302A can be seen below.