This is the Futaba R2004GF 2.4GHz FHSS 4-Channel Receiver for use with 3PL and 4YF-2.4GHz FHSS transmitters.
It has a flexible coaxial antenna that's easy to position inside a model for ideal reception.
Power Requirement: 4.8V or 7.4V shared with servos
Current Drain: 30mA at no signal
Size: 39 x 26 x 10mm
Antenna Length: 8"
Futaba R2004GF 2.4GHz FHSS Sport 4-Channel Receiver
Note: 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.