The AE108-200DB5392 from Anatech Electronics is a RF Duplexer with Frequency 98 to 108 MHz / 200 to 445 MHz, Band 1 98 to 108 MHz, Band 2 200 to 445 MHz, Insertion Loss 2 dB, Attenuation 45 dB. Tags: Surface Mount. More details for AE108-200DB5392 can be seen below.