Features:

1.Suit for FPV racing quadcopter frsky receiver 2.4g antenna line ipex4 antenna

2.insulation effect

3.usually the receiver antenna is soft and fragile, with the protection tube, you do not need worry that propeller cut down the antenna

4. it helps to make receiver antenna fixed proper angle to achieve the best signal

5.good strut for transmitter antenna and resistance fried

Specs:

Material: plastic

Length:15cm (5.9inch)

Weight:0.6g

Outside diameter:3mm

inner diameter: 1.5mm

Caps size: inner diameter:1.5mm, 15mm height

Package included: