This is the replacement Antenna for use on the Futaba 4PK 4-Channel 2.4GHz Transmitter

FEATURES: Antenna-19 Antenna cable enclosed with black nylon casing

INCLUDES: One Antenna-14 for the 4PK Transmitter with instruction sheet

REQUIRES: Installation on the transmitter

SPECS: Length: 109mm (4.3") Diameter (at base): 10mm (0.39")  

BOX DIMENSIONS: 2.38" W. X .50" H. X 7.50" L. BOX WEIGHT: .04 LBS.