The Vintage Holaday Industries Inc 1800 Microwave Survey Meter is a precise tool for detecting and measuring microwave frequencies. Made in the United States by Holaday, this unit is packaged in a case for safe storage and transport. Ideal for industrial and commercial applications, this microwave survey meter provides accurate readings of microwave frequencies up to 2450 MHZ. Perfect for professionals in the field of business and industrial testing, this vintage meter offers reliability and quality.