Warning to those whom purchased amps for their drones. FCC Tiltle 47 Part 15 limits the power to 1 watt! Your antenna may not exceed 6db gain. Here is what the FCC states for violations:
The act of selling or leasing, offering to sell or lease, or importing a low-power transmitter that has not gone through the appropriate FCC equipment authorization procedure is a violation of the Commission's rules and federal law. Violators may be subject to an enforcement action by the
Commission's Field Operations Bureau that could result in:
o forfeiture of all non-compliant equipment
o $100,000/$200,000 criminal penalty for an individual/organization
o a criminal fine totalling twice the gross gain obtained from sales of the non-compliant equipment
o an administrative fine totalling $10,000/day per violation, up to a maximum of $75,000