Welcome to our store! 1、GOLD-PLATED SMA CONNECTOR: Gold-plated SMA connector on both sides (one side is SMA female connector, externally threaded female hole. The other side is SMA male connector, inner threaded female pin). 2、DOUBLE-SIDED CIRCUIT BOARD: The RFID SAW bandpass filter adopts a double-sided circuit board design with high mechanical strength and stable electrical performance. 3、EFFECTIVE FILTERING: The 868MHz bandpass filter has an 868MHz center frequency and 867-869MHz passband, which can effectively filter other frequencies and noise. 4、LOW INSERTION LOSS: The SMA interface bandpass filter is small in size, light in weight, with low insertion loss and centered on 868MHz. 5、BEAUTIFUL AND PRACTICAL: The bandpass filter adopts a unique shielding design, beautiful and practical. It has a good passband ripple coefficient and ability to reject out-of-band signals. Item Type: Bandpass Filter Material: metal Center Frequency: 868MHz (for RFID receiver) Bandwidth: 867-869MHz Interface: SMA Power: 20mW (max) 1 x Bandpass Filter Satisfaction Guaranteed: Customer satisfaction is our top priority. If you encounter any issues with the product, please contact the seller immediately. We are committed to providing satisfactory after-sales service.