The LDPG-272-492 from Mini Circuits is a Space Qualified RF Diplexer with Frequency f1 DC to 2.7 GHz, Frequency f2 4.9 to 5.75 GHz, Insertion loss 0.5 to 0.9 dB, Insertion loss f1 0.5 to 0.9 dB, Insertion loss f2 0.7 to 0.9 dB. Tags: Surface Mount. More details for LDPG-272-492 can be seen below.