SAN MATEO, Calif.-Data Broadcasting Corp. and AT&T Wireless Services Inc. announced a new wireless service that the companies said will provide real-time financial information and access to online trading.

Customers can purchase Sierra Wireless Inc.’s AirCard modem to connect their laptop computers to AT&T’s wireless Internet Protocol network to receive DBC’s StockEdge Online and Signal Online data.

Customers can buy the modem and wireless IP service through MicroAge Inc., an integrator and nationwide distributor of AT&T services.