This is a vintage B&K Precision 1249A NTSC generator color video signal unit. It was made in the United States and is perfect for use in CCTV, CATTV, and MATV systems. With its unique features, this unit is sure to provide reliable performance. The brand B&K is well-known for its quality, so you can be sure that this unit will not disappoint. Whether you are a collector or in need of a reliable unit, this B&K Precision 1249A is a great choice.