The INVACOM Quad Polar Legacy 4 QPH-031 LNB is a standard, dual-band and quad-band satellite downconverter with four outputs. Manufactured by Invacom in China, this LNB is designed for universal compatibility with satellite dishes. It features low noise factor of .3 dB and comes with various features to enhance performance. The product is free-to-air, making it ideal for consumers looking to receive satellite signals without the need for a subscription.