Features: The FGr12B receiver is suitable for RC models such as boats and cars. This receiver is compatible with all AFHDS 3 transmitters and RF modules (including PL18, NB4, NB4 Lite, FRM302, etc.) Using a single-antenna bidirectional transmission system and output PWM/PPM/ i-bus in signals. With a compact size and light-weight, no worry to give any burden to your RC Model. Warranty: If there are any problems, please contact our store in time. We will give you a satisfactory solution. Specification: Product Model: FGr12B Adaptive transmitter: all transmitters supporting AFHDS3 (PL18, NB4, NB4 Lite, etc.) Model Type: Car/Boat etc. PWM Channels: 11 (Version 2.0 will be upgraded to 12 channels)  RF: 2.4GHZ 2.4G Protocol: AFHDS3 Antenna: Single Antenna Input Power: 3.5-9V Data Output: PWMPPMi-bus in Temperature Range: -10& 8451;-+60& 8451; Humidity Limit: 20%-95% Dimensions: 37 x 25 x 17.5mm Weight: 11.2g Package Information: Size: 84 x 64 x 38mm Weight: 60g Package List: 1 x Receiver