The LDPO-33-53+ from Mini Circuits is a Diplexer with Frequency f1 DC to 3000 MHz, Frequency f2 5000 to 5750 MHz, Power 3 W, Attenuation 15 to 25 dB, Attenuation f1 19 to 25 dB. Tags: Surface Mount, Ceramic. More details for LDPO-33-53+ can be seen below.