PDA, smartphone, laptop computer, PDA, Pocket PC – all the modern devices to work, play, go online and make calls. Alone or in combination with various additions Any of these devices allows you to make virtually any communication and not feel cut off from the world. PDA – a device that would fail to get in touch with protocol GSM / GPRS on their own, and it requires an external device to communicate with the world. But the PDA (also known as a microcomputer, also known as PDA, aka Pocket PC) allows you to work with office applications and share documents with desktop computers. At the same time the CCP could have built-in gps navigator or may not have. Almost all current models of PDAs are equipped with a GPS receiver, or provide for the possibility to connect an external gps navigator.

PDA + GPS – the best selling handheld class today computers. These devices are practically the same car GPS navigation, remaining still with computers, able to assist in the work and entertainment, as opposed to it just navigators. communicator – a PDA that can call as the telephone. At the same device can be integrated gps navigator or may not have. Some of them can connect an external gps navigator. That is, device = PDA + GSM module. But the smartphone – a phone with some rather PDA functions. Generally opposed to the communicator smartphone is a smartphone that regular telephone keypad, and the communicator keyboard as a PDA (touchscreen or full).