Features: Made with high-quality materials, guaranteed quality. This filter has a 1dB bandwidth of 4MHz and a sharp cut-off characteristic. Performance optimization for 1880MHz RFID receivers and European standard LoRa IoT node devices, effectively filtering out out-of-band signals, reducing noise, and increasing dynamic range. Small and beautiful appearance. Easy to use and widely applicable. Specifications: Material: Metal Weight: 10g Size: 34x17.5mm/1.33x0.68inch Impedance: 50 Ohm Center Frequency: 1880 MHz Passband (1dB bandwidth): 1850 to 1910MHz In-band Insertion Loss: 1.5 to 2.0 dB (typical value: ~ 1.7 dB) Maximum Carrying Power: 100 mW (20 dBm) Interface: SMA-M, SMA-F Note: 1.Please allow 1-2cm error due to manual measurement, please make sure 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. Package Includes: 1x Bandpass Filter