Indoor amplified TV antenna, long-range digital TV antenna (80 to 130 km).

Features: Step 1: Connect the coaxial cable end to the ANT/IN connector on the back of your TV or set-top box, then plug the USB connector into the TV or set-top box's USB port. Step 2: Place the antenna by hand near a window, either horizontally or vertically. Step 3: In the TV or set-top box's setup menu, select "Antenna" mode. For more detailed instructions, refer to your TV's manual. Step 4: In the TV or set-top box's setup menu, select "Channel Search." This option may also be called "Auto Search," "Auto Scan," "Channel Search," or "Channel Scan." Refer to your TV's manual or for detailed instructions. Step 5: If reception is unstable, try moving the antenna and restarting the channel search until you find the optimal position. Specifications: Color: Black. Dimensions (mm): 200 x 100 x 15 mm. Compatible with 1080p high definition. Range: 80 to 130 km (beyond 190 km, the digital TV signal power cannot reach 5000 W). Cable length: 5 m. Connector: F male or IEC. Standing wave ratio: 1.5 (maximum value: 1). Impedance: 75 ohms. Reception of all free-to-air channels. Gain: 25 dBi. Operating frequencies: 174-240 MHz, 470-862 MHz. Panel material: ABS. Universal compatibility: DTMB (national standard), ATSC (Europe and America), DVB-T (Asia/Europe and Africa), DMB-T (Korea), ISDB-T (Brazil). Note: Please allow for a 0-1 cm error due to manual measurement. Due to differences in monitors, the actual color of the item may differ slightly from the color shown. The package includes: 1 antenna, 1 universal adapter (European and American standards), 1 user manual, and 1 mounting screw.