Fangrui Product Details 1: Stable Output Of 1.6w 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; Warning This Product Requires An Amateur Radio License To Operate Legally. Please Check Your Local Laws And Regulations Before Purchasing Summary: Fpv 1.2g 1.6w 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 Transmission Distance Is Longer, And It Is More Suitable For Various Complex Actual Environments. When Using A 5db Omnidirectional Antenna, It Can Transmit More Than 5km In An Open Area. If An Extern