adding 3G card and enabled all features

Hi i need your help or advice thanks for your attention well just brought this option gtm380 3g wwan card at UK this card is openline and it works in good condition. i just wondering if this card has a gps feature? since the specs i read at ebay you can enabled the gps through AT COMMAND? (what is this?) i need your help please i want to activate the GPS feature and VOICE feature of this 3G modem.

please teach me how to do it the AT COMMAND

i just wonder how to enabled the phonebook feature to save numbers and phone dialer as well . i dont see it here .

im using acer 3G connection manager on this card

if any of you can help me i appreciate it thanks guys

thank you so much