The S-217 from Stellant Systems is a Diplexer with Frequency f1 2200 to 2300 MHz, Frequency f2 1750 to 1850 MHz, Power 10 to 20 W, Attenuation 20 to 42 dB, Attenuation f1 20 to 39 dB. Tags: Module with Connectors, Cavity. More details for S-217 can be seen below.