It’s a interesting stuff which i don’t really know what is it for. For you to use in the street? it is too big, to use at home? you can use fixed-line phone. Anyway, GE’s CE23318 Wireless Desktop Phone is a Tri-Band GSM “mobile” phone. Same as normal mobile phone, you have to insert SIM card in order to use it and it runs with 4 AA battery. It has basic features such Caller ID, Call waiting, SMS and Handsfree. More images below..