Universal Compatibility: The FRM303 module is designed to work seamlessly with a wide range of remote controls, ensuring a broad application range. Advanced 2.4GHz Technology: Equipped with the latest in -frequency technology, this module offers stability and reduced interference, enhancing your control experience. Easy Integration: Its user-friendly design allows for quick installation, making it ideal for both beginners and professionals looking to upgrade their remote control systems. Adaptable devices: PL18, EL18, can output standard PPM devices, Standard S.BUS devices can be output. Wireless Frequency:2.4GHZ ISM Wireless standard: AFHDS 3 Power Adjustment: FRM303 power can be freely adjusted in the range of 14dBm-33dBm(25mW-2W). The power can be adjusted freely in the range of 14dBm-33dBm(25mW-2W), and the adjustable level is 25mW(14dBm) 100mW (20dBm), 500mW (27dBm), 1W (30dBm) and 2W (33dBm). Input power: XT30 interface: 5-28V/DC Signal Interface Power: 5-10V/DC USB power supply: 4.5-5.5V/DC Due to different batches, there may be differences in product appearance and printed text, which not affect use Specifications: A: FRM303-Worry-free Edition (full set of adapters) Colour:Black Material:Metal Package Contents: 1 x FRM303 HF Head 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.