Bird Termaline 6151 Wattmeter & RF LoadBird Termaline(c) 6151 Wattmeter and RF Load. This discontinued Bird Product uses standard Bird 43 plug-in elements and has the same specifications as the industry standard Bird Model 43 Wattmeters. Used in very good condition, works perfectly. Type N female input connector, 50 Ohms.
Martin RF Supply
Arlington, MA 02474