Working Frequency: VHF (170-240 MHz) / UHF (470-860 MHz) VSWR: Less than or equal to 1.5 Impedance: 75 ohms LNA Gain: 25 dB Range: Up to 120 miles (maximum) Cable: 1.5C-2V, Length = 4 meters Connectors: Universal Polarization: Linear Voltage: 5V Supply Connector: USB Operating Temperature: -45C to 85C Storage Temperature: -45C to 85C Compatible with 720p, 1080i, 1080p, and ATSC signals Setup Guide: Step 1: Connect the included coaxial cable to the ANT/IN connector on the back of the TV or digital converter box. Plug the USB plug into the USB port on the TV or digital converter box. Step 2: Hold the antenna near a window, positioning it horizontally or vertically. Step 3: On the TV or STB setup menu, set the tuner mode to "Antenna." For more details, refer to your TV's user manual. Step 4: Initiate a channel scan on the TV or STB. This may be labeled as auto-program, auto-scan, channel search, or channel scan. Refer to the TV manual for detailed instructions. Step 5: If signal reception is inconsistent, reposition the antenna and rescan until optimal placement is achieved. Step 6: Secure the antenna in the best position found. Color: Black Material: ABS Size: 21.8 x 3.5 cm Package Contents: 1 x Indoor Digital TV Antenna 1 x Adapter 1 x Manual Note: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight variations between the color of the item in images and the actual product. Measurement tolerance: 1-3 cm.