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TESSCO Technologies Incorporated
TESSCO's behind-the-scenes wireless work
TESSCO's behind-the-scenes wireless work

TESSCO Technologies supplies 30,000 different products to the wireless industry, the vast majority of them the sort that the nation's cellphone users don't see or hardly notice. Antennas. Cable. Industrial surge protectors. Ceiling tile enclosures that hide wireless access points. The Hunt Valley company has a profile that's just about as low — never mind that it's one of Baltimore County's larger employers, with about 700 people in the region and another 140 out of state. Its customers know what it is — TESSCO ships 5,000 orders every workday — but the general public doesn't. "It's kind of like a hidden entity," said Doug...