Strike Alpha iPhone 5 & 5s Cradle, DIY Version Strike Alpha Cradle for Apple iPhone 5 & 5s with secure charging, antenna connection and pass through connector included. DIY packaging for an easy Do It Yourself installation. Boost your Signal! Internal passive antenna is specifically tuned to boost your mobile signal. Comes with FME male for external antenna connection. This Alpha Cradle car holder is the DIY (do-it-yourself) installation version. Simply attach the cradle to the windscreen mount provided and connect charger to your cigarette lighter. You then have the freedom to go further and talk longer. The most durable design yet! The Strike Alpha cradle has been designed in Australia specifically for tough conditions. The Strike Alpha cradle boasts the most durable cradle design for temperamental climate, rough road conditions and user wear and tear. The phone slides perfectly flush onto the back of the cradle allowing for maximum signal boosting from the internal antenna.