1、The printed circuit board is 1.6mm thick double panel, the whole process is spraying, ensuring large, small current good pass performance 2、Small size, light quality, easy to use, good performance, easy to carry and storage 3、Integrally formed , glossy surface, simple installation, brings you much convenience 4、The heat dissipation area is large, and it will not be overheated for a long time, better improve service life, considerate 5、The center frequency is 1575MHz / 1561MHz can work, you can use safe use, strict quality control and quality assurance Item Type: Filter Module Material: PCB Center Frequency: 1575MHz Work Bandwidth: 40MHz External Suppression:> 35dB With Inner Fluctuations: <1.0dB Insertion Loss: 1.5db (GPS), 2.4 (Beidou) Maximum Power: 10dBm (10mW) Size: Approx. 23 x 13cm / 9.1 x 5.1in (Excluding Connector) Applicable Temperature: -40℃ -70℃ 1 x Filter Module