San Mateo-based 4INFO, a provider of mobile advertising products, has scored a $5M line of credit, according to Avidbank Corporate Finance. Terms of the financing were not announced. Avidbank said the loan will be used for working capital. 4INFO provides SMS-based alerts, mobile search, and other mobile advertising products. The company is venture backed by Vulcan Capital, Mitsui Global Investment, Draper Fisher Jurvetson, Gannett, Mezzanine Capital, and U.S. Venture Partners, and last closed a funding round in October of last year.