Colubris Networks Inc. yesterday announced the acquisition of Kiwi Networks Inc., a Campbell, Calif., developer of cellular Wi-Fi technologies. Financial terms of the deal were not disclosed. Colubris said it plans to ship wireless network systems incorporating Kiwi’s technology by the end of this year. Colubris, which recently raised $15 million from private investors, said it will maintain Kiwi’s headquarters as a West Coast sales office.