The remote controller integrates video downlink and aircraft control into one system. The combined system operates at 2.4 GHz with a maximum signal transmission range of 3.5 km. The device features a number of standard and customizable buttons that allow users to quickly access certain aircraft functions, such as taking and reviewing photos/videos, as well as controlling the gimbal and landing gear. It is powered by a 2S rechargeable battery. Operating Frequency: 5.725 GHz to 5.825 GHz 2.400 GHz to 2.483 GHz Max Transmission Distance (unobstructed, free of interference): CE Compliant: 2.1 miles (3.5 km) EIRP: 10 dBm @ 900 M 13 dBm @ 5.8 G 20 dBm @ 2.4 G Video Output Port: HDMI, SDI, USB Dual Users Capability: Master-and-Slave control Mobile Device Holder: Supports smartphones and tablets Output Power: 9 W Operating Temperature: 14° to 104° F (-10° to 40° C) Storage Temperature: Less than 3 months: -4° to 113° F (-20° to 45° C) More than 3 months: 72° to 82° F (22° to 28° C) Charge Temperature: 32° to 104° F (0° to 40° C) Built-in Battery: 6000 mAh, 2S LiPo Max Tablet Width: 170 mm