The KSGQ-800D from Wuhan Zhongyuan Tiankui Technology Development is a RF Duplexer with Frequency 806 to 866 MHz, Band 1 851 to 866 MHz, Band 2 806 to 821 MHz, Power 200 W (Input power), Insertion Loss 0.35 dB. Tags: Module with Connectors. More details for KSGQ-800D can be seen below.