The QMP2-20-6000-1 from Qualwave is a Diplexer with Frequency f1 0.02 to 1.1 GHz, Frequency f2 3 to 6 GHz, Power 1 W, Attenuation 45 dB, Attenuation f1 [email protected] to 6GHz. Tags: Module with Connectors. More details for QMP2-20-6000-1 can be seen below.