Fangrui Product Details 1: Stable Output Of 1.5w Power For A Long Time, Without The Problem Of Power Drop Due To Excessive Temperature 2: Fully Surrounded By A Metal Shell, Compared To The Vtx Of Its Peers Where The Entire Component Is Exposed, It Has An Excellent Shielding Effect, Preventing The Vtx From Being Interfered And Enabling A Longer Transmission Distance 3: You Can Adjust The Frequency Of 8 Channels Through Buttons, Which Is Faster And Easier Receiver Parameters: Working Frequency Band: 1.2g/1.3g Channel Selection: 12 Channel Selection, Digital Display Sensitivity:-92dbm Unobstructed Range:2km (actual Distance Is Affected By The Environment) Warning This Product Requires An Amateur Radio License To Operate Legally. Please Check Your Local Laws And Regulations Before Purchasing Summary: Fpv 1.2g 1.5w Vtx Is A Low-frequency Signal Compared To The 5.8g Carrier Frequency Band, Has Excellent Diffraction Ability, And Has Stronger Anti-interference And Penetration! Wireless Receiving Images Are Clearer And More Stable, The