The RFTU14M22M44 from RF-Lambda is a Multiplexer with Attenuation 60 to 70 dB, Frequency 1435 to 1525 MHz / 2200 to 2400 MHz / 4400 to 5300 MHz, Insertion Loss 0.3 to 0.6 dB, Isolation 60 to 70 dB, Power handling 50 W. Tags: Module with Connectors. More details for RFTU14M22M44 can be seen below.