Welcome to the store! Features: Small size, lightweight, low insertion loss, with a center frequency of 868MHz. Both sides feature gold-plated SMA connectors (one side is SMA female head - external thread internal hole; the other side is SMA male head - internal thread internal needle), with a double-sided circuit board design for high mechanical strength and stable electrical performance. Offers good passband ripple coefficient and out-of-band attenuation. Unique shielding design, both beautiful and practical. Utilizes imported SMD components for stable performance. Specifications: Model: BPF-870Mhz Bandwidth: 867-869MHz. Maximum withstand power: not exceeding 20mW Size: approx. 35mm x 7mm x 6.5mm / 1.38 x 0.27 x 0.25in Weight: 5.42g Interface: SMA-M, SMA-F Note: Only the above package content is included; other products are not. Due to lighting and different screen displays, the color of the item in the picture may differ slightly from the actual item. The allowable measurement error is 0-2 cm. Package includes: 1 x Bandpass Filter Your satisfaction is our top priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!