Product name:FlySky FBr12 2.4GHz 12CH Enhanced AFHDS 3 Receiver PWM PPM i-BUS S.BUS i-BUS 2 Output for FRM303 Module/PL18/NB4/NB4 Pro Transmitters FBr12 is a marine enhanced version receiver, and the waterproof level is as highas PPX7, using the AFHDS3 (the third generation automatic frequencyhoppingdigital system). lt adopts the external dual antenna with the transferbackfunction and can output PWM/PPM/i-BUS/S.BUS/i-BUS 2 signals. It supports new ports switching, all AFHDS 3 transmitters and FRM303. Description: Brand: FlySKy Model: FBr12-QS50 PWM Channels: 12 RF Frequency: 2.4GHz ISM 2.4G Protocol: AFHDS 3 Antenna: Dual Antenna Input Power: 3.5 ~ 9V Data Output: PWM/PPM/i-BUS/S.BUS/i-BUS 2 Waterproof Level: PPX7 Temperature Range: -10℃ ~ +60℃ Humidity Limit: 20%~95% Online Update: Yes Dimensions: 32.4 x 38.3 x 14 mm Weight: 18g (Without pin header) Adaptive Transmitter: All AFHDS3 supported transmitters (PL18, NB4, NB4 Lite, etc.) Model Type: Suitable for Cars/Boats, etc. Certification: CE, FCC ID: 2A2UNFBR1200 Features: -Universal Compatibility: Adaptive to all transmitters supporting AFHDS3, like PL18, NB4, and NB4 Lite, making it a versatile choice for various model types. -Enhanced Connectivity: Features 12 PWM channels and dual antennas, ensuring reliable and uninterrupted signals for optimal performance. -Multiple Output Options: Offers a range of data output methods including PWM, PPM, i-BUS, S.BUS, and i-BUS 2, providing flexibility for different setups. -Waterproof & Durable: Designed with a PPX7 waterproof rating, it can be used in challenging conditions without compromising its performance. -Online Update Capability: Supports online updates, enabling you to easily keep your receiver up-to-date with the latest firmware. Package Included: 1 X FBr12-QS50 12-Channel Enhanced Boat Receiver 1 X Accessory Kit 1 X Manual