702B-UN

SKU: 702B-UN

$19.50

Description

702B Mfg by Sylvania. Clear glass with gold plated rings. Great collectors piece! 1 inch diameter x 2.3 inches long. Similar to 721B introduced in the early 1940s, the Sylvania 721B is a large external cavity disc-seal TR cell with an operating frequency range of 2.7-3.3GHz.702B. Unused