This is the Futaba R614FF-E 2.4GHz 4-channel FASST receiver for use with the 4PK and the 4PKS Radio Systems in electric vehicles only.
Features: Normal and high-speed modes for analog or digital servos including the BLS series
Includes: Futaba R614FF-E 2.4GHz FASST 4-channel Receiver with Instruction Manual
System Compatibility: FASST-C2 system at Normal/High Speed (auto detection)
Receiving Range: 230' (70m) under best conditions
Power Requirement Rated Voltage: 3.7-7.4V, Usable voltage 3.5-8.4V
Dimensions: 1.38 x 0.91 x 0.35 (35.1 x 23.2 x 9.0mm)
Weight: 0.27oz (7.6g)
Note: Futaba FASST system does not work with current Futaba S-FHSS/FHSS systems. This receiver is for use with electric vehicles only.