p3 unit

                                             Bluetooth

Bluetooth is an open wireless technology standard for exchanging data over short distances using short wavelength radio transmissions.

                                                         WiFi

wireless local area network a local area network that uses high frequency radio signals to transmit and receive data over distances.

                                                        sms

Short message (or messaging) service, a system that enables cellular phone users to send and receive text messages.  

                                                         


                                                              3g
  The term 3G refers to the third generation of mobile phone standards, as set by the International Telecommunications Union