The QMP2-0-20000-1 from Qualwave is a Diplexer with Frequency f1 DC to 2 GHz, Frequency f2 8 to 20 GHz, Power 5 W, Attenuation 50 dB, Attenuation f1 [email protected] to 20GHz. Tags: Module with Connectors. More details for QMP2-0-20000-1 can be seen below.