This dual, high isolation, low loss, high power diplexer combines the bands 1710-2180 MHz and 2300- 2690 MHz onto a single antennafeeder. Brackets are provided that enable either pole or wall mounting. The combiner is AISG/3GPP compliant. Several variants are available in which the DC/AISG bypass path is factory configured. The RD0661 is available with 7-16 connectors or 4.3-10 connectors.