SUNNYVALE, Calif., July 4 -- TeraBurst Networks Inc., a developer of carrier-grade optical core switching and transmission systems, has signed an agreement with Synergy Telecommunications Corp. (Syntelco), a Virginia-based value-added reseller of networking and broadband connectivity solutions for metropolitan area networks, government organizations and enterprises. Under the terms of the agreement, Syntelco will resell TeraBurst's optical core switches, the Optical Management System (OMS) 2100 and OMS 2200. TeraBurst's optical core switches are based on a patent-pending millimeter-wave technology that combines the features of the opaque (OEO; optical-electrical-optical or digital) and transparent (OOO; all-optical or photonic) switching technologies. Syntelco's devices use laser-based free space optics, have capacities up to 1.25 Gb/s and require no FCC licensing.