Features 1、This filter module can filter the clutter signal beyond the frequency to have the received signal cleaner. 2、The filter range is 2.3-2.5GHz, and the wide filter range ensures stable and reliable signal receiving. 3、Using 1.6mm thick double-sided printed circuit board, very durable for long-term use, not easy to break. 4、One‑piece moulding promises no burrs on the smooth surface, so the installation is very simple and quick. 5、Adopting the whole process of spraying tin, both both large and small currents can easily pass the module. Specification Item Type: Bandpass Filter Module Product Material: Printed Circuit Board Parameter Index: 1. S21>-3.6dB; 2. S11<-15dB; 3. S22<-13dB; Package List 1 x Bandpass Filter Module