Our AD2050-2230D347is a Cavity Duplexer with a bandwidth of 60 MHz on both bands and features SMA Female connectors. This Duplexer has a return loss of 18 dB Min and an insertion loss of 1.0 dB Max. For more information, click here. Datasheet: 2020-2080 MHz / 2200-2260 MHz Cavity Duplexer (anatechelectronics.com)