The order, to be delivered over the coming year, is to supply its own software defined and radio frequency communication modules, part of its advanced digital radio-related business.
"Due to non-disclosure obligations, the group is currently prevented from disclosing further details about the new order and the customer involved," says Addvalue Technologies.
"Further details concerning the new order and the said customer will be made available as soon as the group is freed of its non-disclosure obligations," the company adds.
Addvalue Technologies shares last traded at 1.1 cents.