The AD3622-3722D317 from Anatech Electronics is a RF Duplexer with Frequency 3609.5 to 3634.5 MHz / 3709.5 to 3734.5 MHz, Band 1 3609.5 MHz to 3634.5 MHz, Band 2 3709.5 to 3734.5 MHz, Insertion Loss 1 dB, Isolation 80 dB. Tags: Module with Connectors. More details for AD3622-3722D317 can be seen below.