“Are the 3 USB ports powered so I could use one for a powered antenna?”
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All three USB ports on the LG - 77" Class C5 Series OLED evo AI 4K UHD Smart webOS TV (2025), Model # OLED77C5PUA, are capable of delivering power, allowing you to power devices such as streaming sticks (Roku, Chromecast, Fire TV) or charge accessories. They are typically designed for low-power peripherals and provide 5V power at 500mA (0.5A) to 1A, similar to other LG OLED models...^Ivan.
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