The LDPW-272-452+ from Mini Circuits is a Diplexer with Frequency f1 10 to 2700 MHz, Frequency f2 4500 to 6000 MHz, Power 2 W, Attenuation 18 to 25 dB, Insertion loss 1.2 to 1.8 dB. Tags: Surface Mount, Ceramic. More details for LDPW-272-452+ can be seen below.