This is the 2.4GHz FASST R614FS 4-Channel Receiver used with the
Futaba 4PKS Surface Radio System from Futaba.

FEATURES: Normal and high-speed modes for analog or digital servos including
the BLS series
One year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES: 2.4GHz FASST R614FS 4-Channel Receiver with Instruction Manual
Internal and External antennas

SPECS:    Size: 1.38 x 0.91 x 0.33" (35.1 x 23.2 x 8.5mm)
Weight: 0.28oz (7.8g)
Operating Voltage: 3.5 - 8.4V
Current Drain: 135mA or less
Antenna Length: 8"

COMMENTS: Futaba FASST system does not work with current Futaba S-FHSS/FHSS
systems