The 850-900/1800/2100/2600Mhz Combiner from Tamagawa Electronics Vietnam is a RF Duplexer with Frequency 860 to 960 MHz / 1710 to 1880 MHz / 1920 to 2170 MHz / 2500 to 2690 MHz, Band 1 860 to 960 MHz(Port 1), 1710 to 1880 MHz(Port 2), Band 2 1920 to 2170 MHz(Port 3), 2500 to 2690 MHz(Port 4), Power 200 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for 850-900/1800/2100/2600Mhz Combiner can be seen below.