Upgrade Kit,Windows Mobile6 Professional (WM 6.1 Professional Operating System Upgrade Kit. For use with BT, 802.11 and WWAN GPRS. For use with CN3 series ONLY.)
Upgrade Kit,Windows Mobile 6 Classic (WM 6.1 Classic Operating System Upgrade Kit. For use with BT and 802.11 only. No WWAN GPRS. For use with CN3 series ONLY.)
Snap-on Adapter, CN3/CN4 series Ethernet (Supports RJ45 connection. Must purchase cable separately. Supports use of auto power charger 852-066-001 or AC power supply 851-089-003/851-089-103.)