HP Q6274A 802.11 b/g Wireless Print Adapter for OfficeJet H470 and H470b Mobile Printers Works with the following models: Hewlett Packard CB026A#201, Hewlett Packard CB026A#B1H Hewlett Packard CB027A#BET, Hewlett Packard CB027AB1H, Hewlett Packard CB028A#B1H