This is the Futaba R6303SBE FASST 2.4GHz Micro Receiver.
FEATURES: For use with park flight or indoor use airplanes and small electric
helicopters up to 39.4" (1000mm) main rotor diameter
S.BUS system output port with three conventional channel outputs
Compatible with S.Bus and conventional system servos and gyros
Automatic FASST 2.4GHz 7-ch mode or 8ch/10ch/Multi-channel mode
One year limited warranty through Hobby Services beginning at date of
INCLUDES: Futaba R6303SBE FASST 2.4GHz Micro Receiver with Instruction Sheet
SPECS: Dimensions: 0.89 x 1.47 x 0.37" (22.5 x 37.4 x 9.3mm)
Weight: 0.22oz (6.3g)
Power Requirement: 3.7 - 7.4V (voltage range 3.5 - 8.4V)
* Battery fail safe voltage is set for 4-cell NiCd/NiMH battery.
Fail safe function will not work properly with other types of