The AE4490-4810DB5350 from Anatech Electronics is a RF Duplexer with Frequency 4400 to 4580 MHz / 4720 to 4900 MHz, Band 1 4400 to 4580 MHz, Band 2 4720 to 4900 MHz, Power 75 W, Insertion Loss 3 dB. Tags: Module with Connectors. More details for AE4490-4810DB5350 can be seen below.