This is the Futaba R6303SB 3-18 Channel FASST 2.4GHz S.Bus Micro Receiver.
Features
S.Bus system output and three conventional system channel outputs allows usage with conventional servos as well as S.Bus system compatible servos and gyros
When linking procedure is performed, receiver recognizes the signal mode (FASST 2.4GHz 7ch mode or 8ch/10ch/Multi Channel Mode)automatically
High-speed or normal operating mode
Specifications
S.BUS output & Standard output (ch1-3)
Dimensions: 22.5x37.4x9.3mm
Weight: 7.2g
Frequency: 2.4GHz-FASST
Use Aircraft
High Voltage: (3.7 - 7.4V)
Power Requirement: 3.7 - 7.4V battery or Regulated output from ESC