5dbi 3G Antenna phone/FM Aadio external Antenna/3.5MM male connector for Mobile Phones /mini speaksers

Product Features:
3.5mm interface FM radio antenna, replacing the traditional headphone antenna antenna.
Convenient, practical, good radio effect! Suitable for multiple brand models with FM radio
function plug-in speakers / mobile phones.

Product Parameters:
Color: black

Length: about 10.20cm/4.02"
Jack: 3.5mm Male
Gain: 5 dBi

Enhance the digital/analogue signal and strength signal quality
Easy to install
Gold plated connector for better signal transfer

Package including: External Antenna

Notice : Dear Sir , when you are contacting this antenna to 3g mobile phone ,it will have no obvious change in signal display on the phone, but it will improve when you are calling to other people and test on the internet. Thank you.