The DPX series from CTS Corporation is a range of surface-mounted ceramic filters that operate from 698 MHz to 2180 MHz. They enable antenna sharing in multi-band Small Cells, DAS, and Repeater systems. This product family offers versions for all of closely-spaced major frequency bands while sharing a common PCB layout enabling a platform solution. The filters have an insertion loss of less than 1.6 dB, cross-band attenuation of more than 20 dB and return loss of more than 12 dB. They can handle up to 3 W of input power and 20 W of peak power.