An accessory configuration for enhancing wireless signal reception of a user device. The accessory, for the user device, may include a housing configured to receive the user device within a cavity; and a radiation element integrated with the housing and configured to affect a radiation pattern of an antenna of the user device that is configured to communicate a signal. The length of the radiation element may be based on a wavelength of the signal. The radiation element may be disposed within a predetermined distance of a zone of the cavity that is configured to receive a portion of the user device that includes the antenna when the user device is installed within the cavity.