Budget pick! Great value for a good price. A reliable 2.4GHz AFHDS 2A signal operating without interference. The system's high receiver sensitivity is maintained while consuming as little as one-tenth the power of a conventional FM system, significantly prolonging battery life. The system is made of extremely sensitive low power-consumption components. Technical Features: 1. 6CH operation. 2. 2.4GHz AFHDS 2A signal operation. 3. RF Power: Less Than 20dBm PROS Great for beginners Suitable for helicopters CONS Not for the long-range transmissions