This is the Futaba R2004GF 2.4GHz FHSS Sport 4-Channel Receiver.
FEATURES: For use with the 3PL and 4YF-2.4GHz FHSS transmitters
Flexible coaxial antenna that's easy to position inside a model for
Does not have battery failsafe function
One year limited warranty through manufacturer beginning at date of
INCLUDES: Futaba R2004GF 2.4GHz FHSS Sport 4-Channel Receiver with instruction
REQUIRES: Installing in model and connecting battery and servos
Linking to transmitter
SPECS: Power Requirement: 4.8V or 7.4V shared with servos
Current Drain: 30mA at no signal
Size: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm)
Weight: 0.49oz (14g)
COMMENTS: This receiver does not work with the Futaba FASST system. Use only
with the Futaba 4YF 2.4GHz FHSS system. Futaba FASST systems and
FHSS systems are not compatible with each other.