Kaelus DBC0135F2V91-1 Twin Same Band Combiner 850 A-Band, Passband UMTS: UARFCN 4360/4135 (DL/UL); Passband LTE: EARFCN 2485/20485 (DL/UL). Designed to combine two 850MHz base stations, the Kaelus DBC0135 provides a low loss combiner with excellent insertion loss and passive inter-modulation performance.This combines UMTS with single 5MHz LTE carrier and has extremely close spacing. It is designed for low passive inter-modulation.