Low cost, high power, sufficient power Use two RFPA5542 amplifiers, use RF power divider to connect the two amplifiers in parallel, the theoretical power can reach 4W, due to the power loss of the power divider, the actual power is 3.3-3.5 watts Connect the antenna and then power on, the power is the minimum, you need to manually press the button to increase the power, if you need to automatically set the power when you turn on the machine, you need the osd parameter adjustment interface to automatically set the flight control 4W 5.8G VTX Easy to use Name:4W 5.8G VTX Frequency tables: 64 CH Applicable:for FPV Long Range RC Drone The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:Aluminum Alloy Package Contents: 1 x Image transmission module Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.