The E11F01P20 from CommScope is a Diplexer with Frequency f1 1710 to 2180 MHz, Frequency f2 2400 to 2700 MHz, Insertion loss 0.25 to 0.3 dB, Insertion loss f1 0.25 dB, Insertion loss f2 0.3 dB. Tags: Module with Connectors. More details for E11F01P20 can be seen below.