The NS8049A is a high performance, Surface Acoustic Wave (SAW) technology based Dual filter with extremely low loss, and excellent roll-off features. The 1 in 2 out design makes the board design easy and simple. 

The NS8049A uses Chip Scale Packaging (CSP) techniques to achieve the industry standard 1.5 x 1.1 mm footprint, and 0.55 mm typical height.