Specification1: Small size, light weight, low insertion loss, and the center frequency is 915MHz.2: Both sides are gold-plated SMA connectors (one side is sma female head--external thread inner hole; the other side is sma male head-inner thread inner needle), double-sided circuit board design, high mechanical strength, stable electrical performance.3: It has better pass-band ripple coefficient and out-of-band suppression capability.4: Unique shielding design, beautiful and practical.5: Imported SMD components with stable performance.The maximum withstand power does not exceed 1W 6: Size: 35mm*7mm*6.5mm7: Weight: 5.42gNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Included:1*915MHzSMA interface