SINCLAIR TECHNOLOGIES' MR454N-1-1 MR series is a compact mobile duplexer utilizes four rugged, carefully temperature-compensated helical resonators housed in a lightweight, aluminum extrusion. The use of low-loss internal components and copper center conductors produce a unit which delivers superior performance in conventional mobile applications. Its size and versatility make this an ideal unit for use where space is limited. Original equipment manufacturers of bi-directional amplifiers and coverage extenders find this product ideal when integrating into their product. Duplexers listed are standard units. Variations on connectors, mounting and cavity configurations are available on special order. Consult Sinclair Technologies to determine the best solution for your system requirement. The MR series of compact mobile duplexers can be retuned within the sub-band for which the unit was designed.