Handheld Mobile Computer with Built-In Imager is designed for field applications where automatic identification and data capture [AIDC] is required. The Mobile Computer contains a built-in imager that is capable of reading various bar code options. Handheld Mobile Computer is available in a rugged construction that ensures optimum performance for longer period of time. Handheld Mobile Computer with Built-In Imager offers integrated assisted GPS [aGPS] and enables wireless communication using push-to-talk technology through the Integrated Digital Enhanced Network [iDEN] as well as wireless access via 802.11b/g local area networks.