The Direct TV 21V Power Inserter SWM ODU ONLY PI21R1-03 SWIM Cord Inverter is a satellite signal multiswitch accessory designed for use with DIRECTV systems. This power inserter has one input and one output, making it a simple and straightforward device for inserting power into a satellite system. With its model number P121R1-03, this power inserter is a reliable and essential component for maintaining optimal performance of your TV and video equipment.
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