Fully tested before shipping 45days warranty For HP 6710b Modem Board Card 441074-001 from Shenzhen Ze Jun Trading Co ... .,LtdSupport for Repair shop, Retailer,Wholesaler... no quantity limited. Suggest samples for trail order.Any technical problems ... , Two memory, DVD driver, Network connection, Voice, Mouse,Keyboard, Dial, USB, SD connector, PC, 3.3V COMS battery, Battery whether charge ...