Fangrui Product Details Features: 1. Small Size, Light Weight, Low Insertion Loss, Frequency Can Be Customized. 2. There Are Gold-plated Sma Connectors On Both Sides (one Side Is Sma Female Connector - External Threaded Inner Hole; The Other Side Is Sma Male Connector - Internal Threaded Internal Needle), Double-sided Circuit Board Design, High Mechanical Strength And Stable Electrical Performance. 3. It Has Good Passband Ripple Coefficient And Out-of-band Suppression Capability. 4. Shielding Design, Beautiful And Practical. 5. Patch Components, And Zero Failure Rate. For Dedicated Fpv Aerial Photography Drones, Etc. 1.4g Low-pass Filter. Effectively Reduces The Interference Of 1.2g Image Transmission On 2.4g Equipment (2.4g Remote Control Receiver) And Increases The Remote Control Distance! Connected To 1.2g Image Transmission, It Can Greatly Reduce Frequency Interference Above 1.4g If Your Image Transmission Is 1.2g And The Remote Control Receiver Is 2.4g, Then This Filter Is Highly Recommended. Under The Same Conditions, Th