The internal passive antenna of the Apple iPhone 6 6S Plus Phone Holder is specifically incorporated to improve your mobile signal once used with a reputable external antenna.

The cradle comes with an FME male connector so it can be connected to an external antenna.

It includes a swivel mount and hardwired power supply unit .
This package is a professionally installed version. A trained professional will attach the cradle to the swivel mount provided and connect the power’s pack to your car’s electronics.

Or if purchasing the DIY Version , you can install this yourself with Windscreen mount & cig plug lead
Use with external antenna to help boost your mobile reception!