Features:

• Model No: 0020918 (ANT-3)
• Work with wireless remote control system, the receiver or transmitter will have farther working range with external telescopic antenna
• Length of external telescopic antenna: 108mm / 445mm (stretch)
• With SMA connector
• If you stretches the external telescopic antenna, it can have a further working range, which is twice as much as it used to be.
• Weight: 16.5g