Described are devices and systems for adapting an expansion port at a front end of a mobile computing device without impacting the performance of the device. The device includes a housing having a front end, a data capturing arrangement positioned on the front end, the data capturing arrangement collecting data from one or more automatic identification items, and an expansion port positioned on the front end, the expansion port receiving an expansion module increasing the functionality of the device. The system includes a mobile computing device including a housing having a front end, a data capturing arrangement positioned on the front end, the data capturing arrangement collecting data from one or more automatic identification items, and an expansion port positioned on the front end, and an expansion module increasing the functionality of the device, the expansion module receivable by the expansion port of the mobile computing device.