1、Printed circuit board material of this filter module is made of 1.6mm thick double sided board, which is sturdy and durable. 2、This filter module has a large heat dissipation area, which can improve and prolong the service life. 3、The whole process of tin spraying of the filter module ensures good passing performance of large and small currents. 4、This filter board is integrally formed without burrs, with glossy exterior and glossy installation, providing good performance. 5、The center frequency of this filter module is 1561 MHz, which can improve the efficiency. Convenient to carry and store. Item Type: Filter Module Components Material: Printed Circuit Board Center Frequency: 1561MHz Working Bandwidth: 20mhz Out of band Suppression: >40db In band Fluctuation: <1db Insertion Power Consumption: 35dB (typical Value) Maximum Power: 10dBm(10mW) Size: Approx. 23 x 13mm / 0.9 x 0.51in (Excluding Connectors) Applicable Temperature: -40℃-70℃ Rf Connector: Standard SMA Female 1 x Filter Module Components