⚡ Power up your DIRECTV experience with flawless signal strength!
The AT&T 21 Volt Power Inserter (PI21) is engineered to deliver stable 21V power to all DIRECTV SWM LNBs, supporting a broad frequency range of 2000 kHz to 2150 MHz with minimal 2 dB signal loss. Designed for easy integration with standard 100-120V AC input and F-type ports, it ensures reliable satellite signal performance for your home entertainment system.
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