1.H.264 3G WIFI GPS D1 car black box 2.1pcs ... /100M self-adaption Ethernet interfaceWireless transmission (optional)Built-in 3G wireless transmission module, WCDMA, CDMA2000, Compatible with GPRS, ... EDGE;Built-in Wi-Fi moduleData remote transmissionSupport 3G/Wi-Fi transmission, Wi-Fi priority transmission strategy, ... are subject to change without prior notice. 3G GPS WIFI Car Black Box