The RMDU.746-786Nf from Response Microwave Inc is a RF Duplexer with Frequency 746 to 756 MHz (UL) / 776 to 786 MHz (DL), Band 1 746 to 756 MHz (UL), Band 2 776 to 786 MHz(DL), Power 50 W, Insertion Loss 1.2 dB. Tags: Module with Connectors. More details for RMDU.746-786Nf can be seen below.