This is the Futaba R203GF 2.4GHz S-FHSS 3-Channel
High Voltage Surface Receiver.

FEATURES: S-FHSS/FHSS auto detection
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
One year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES: Futaba R203GF 2.4GHz S-FHSS 3-ch Receiver with Instructions

REQUIRES: Installing in model and linking to transmitter

SPECS:    Dimensions: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm)
Weight: 0.28oz (8g)
Operating Voltage: 4.8 - 7.4V (shared with servo)
Battery Fail Safe Voltage: 3.8V*
Current Drain: 30mA at no signal
*Battery fail safe voltage is set for 4-cell NiCd/NiMH battery.
Battery F/S does not work properly when other type of battery is used
Antenna Length: 7-1/2"

COMMENTS: Not compatible with Futaba FASST systems.