Hi How are you doing? The system equipped with newest generation of Qualcomm Snapdragon chipset, it supports 4G LTE, therefore it also comes with 4G sim card slot as well. This system retains the original steering wheel control, heated & cooled seat, original sound system, offline navigation...etc. You can check out more details from the link below. Also, you can contact us by email (Info@AutoTecPro.com) for more information as well. Thanks very much. Jeep Wrangler | 2018 - 2023: autotecpro.com/product/jeep-wrangler-2018-2021-13-6-ips-hd-touch-screen-navigation-infotainment-system-android-11-gps-bt-wifi-carplay/