The QMP2-3900-11400-1 from Qualwave is a Diplexer with Frequency f1 3.9 to 5.7 GHz, Frequency f2 7.8 to 11.4 GHz, Attenuation 50 dB, Attenuation f1 [email protected] to 11.4GHZ, Attenuation f2 50@DC to 5.7GHz. More details for QMP2-3900-11400-1 can be seen below.