The OQZCB1-M0.7-3.15G-321 from COM-MW is a Diplexer with Frequency f1 0.7 to 1.05 GHz, Frequency f2 1.4 to 4.2 GHz, Power 20 W, Attenuation 60 dB, Attenuation f1 60 dB. Tags: Module with Connectors. More details for OQZCB1-M0.7-3.15G-321 can be seen below.