Features: Using high-quality materials, the quality is guaranteed. This filter has a 1dB bandwidth of 4MHz and a cut-off characteristic. optimization for 1840MHz RFID receivers and European standard IoT node devices, which can effectively filter out out-of-band signals, reduce noise, and increase dynamic range. Small and beautiful appearance. Easy to use and widely used.
note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.