This is the Futaba R2104GF 2.4GHz FHSS 4-Channel High Voltage Receiver.
FEATURES:
For use with the 4-PL S-FHSS four channel surface radio
Normal and High-Speed Modes:
Normal mode frame rate is (FHSS/S-FHSS) 13.63ms and accepts any
type of servos or peripherals.
High-Speed mode (in 4PL tx only), with an output of 6.8ms accepts
digital servos including the BLS series and most peripheral
equipment such as brushless ESCs
Flexible coaxial antenna that's easy to position inside a model for
ideal reception
One year limited warranty through manufacturer beginning at date of
purchase
INCLUDES:
Futaba R2104GF 2.4GHz FHSS 4-Channel Receiver with instruction sheet
REQUIRES:
Installing in model and connecting battery and servos
Linking to transmitter
SPECS:
Power Requirement: 3.5V - 8.4V shared with servos
Voltage: 3.5V - 8.4V
Dimensions: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm)
Weight: 0.28oz (8g)
Antenna Length: 8"