Source google image: http://www.sztomato.com/upfile/large/Android-TV-BOX-with-3G-4G-LTE-WCDMA-wireless-module-built-in-Android-TV-BOX-with-3G-4G-SIM-Card-slot-Android-TV-BOX-WCDMA-4G-3G-Dongle_3.jpg
Android tv 3g modem
Source google image: http://www.sztomato.com/upfile/large/Android-TV-BOX-with-3G-4G-LTE-WCDMA-wireless-module-built-in-Android-TV-BOX-with-3G-4G-SIM-Card-slot-Android-TV-BOX-WCDMA-4G-3G-Dongle_3.jpg