The HDF1575A-B2 with SAW Filters SMD,1.4x1.1x0.6mm RoHS manufactured by SHOULDER Electronics is a filter device designed for radio frequency (RF) and microwave applications. It is a Single Adjustable Wi-Fi (SAW) filter with an operating frequency range of 5.15 to 5.85 GHz. The device is typically used in 802.11a, 802.11g, 802.11n, 802.11ac, and Wi-Fi 6 applications. The filter has a bandwidth of +3/-2 dB, a passband insertion loss of 3.7 dB, an image rejection ratio of 50 dB, and an output power of +10 dBm. The device comes in a very small and compact package measuring 1.4x1.1x0.6mm and is RoHS Compliant.