The AE550-2456DB5316 from Anatech Electronics is a RF Duplexer with Frequency 537 to 563 MHz / 2432 to 2480 MHz, Band 1 537 to 563 MHz, Band 2 2432 to 2480 MHz, Insertion Loss 3 dB, Isolation 50 dB. Tags: Module with Connectors. More details for AE550-2456DB5316 can be seen below.