Features 1、GOLD PLATED SMA CONNECTORS: Gold plated SMA connector on both sides (one side is sma female connector, external threaded female hole. The other side is sma male connector, inner threaded female pin). 2、DOUBLE SIDED CIRCUIT BOARD: RFID SAW bandpass filter adopts double sided circuit board design with high mechanical strength and stable electrical performance. 3、EFFECTIVE FILTRATION: 868MHz bandpass filter has 868MHz center frequency and 867‑869MHz passband, which can effectively filter other frequencies and clutter. 4、LOW INSERTION LOSS: SMA interface bandpass filter is small in size, light in weight, with low insertion loss and centered at 868MHz. 5、BEAUTIFUL AND PRACTICAL: Bandpass filter adopts unique protection design, beautiful and practical. It has good passband ripple coefficient and out of band rejection capability. Specification Item Type: Bandpass Filter Material: Metal Center Frequency: 868MHz (For RFID Receiver) Bandwidth: 867-869MHz Interface: SMA Power: 20mW (Maximum) Package List 1 x Bandpass Filter