Strongest Foundation Day offers. Tyt8000d device with a license from the Communications and Information Technology Commission. Device with an extra battery for 320. Don't miss out on the Type-C charger and home base. Accessories... The device, small antenna, long antenna, device battery 3800mAh. The device is self-explanatory, the strongest handheld device currently in the market. The device is 10 watts, covers up to 10 kilometers.