The AE915-564D5397 from Anatech Electronics is a RF Duplexer with Frequency 537.6 to 590 MHz / 902 to 928 MHz, Band 1 537.6 to 590 MHz, Band 2 902 to 928 MHz, Insertion Loss 1.5 to 2.5 dB, Isolation 80 dB. Tags: Module with Connectors. More details for AE915-564D5397 can be seen below.