The AM906-924D1056 from Anatech Electronics is a RF Duplexer with Frequency 902 to 910 MHz / 920 to 928 MHz, Band 1 902 to 910 MHz, Band 2 920 to 928 MHz, Power 3 W, Insertion Loss 2.2 dB. Tags: Surface Mount, Ceramic. More details for AM906-924D1056 can be seen below.