Wireless Devices Technology Terms

3G (Third Generation) Technology - Is the next step in mobile communication. This technology will offer more bandwidth starting at speeds of 144 Kbps (Kilobits per second) up to 384 Kbps. Developers will provide new applications that are multimedia intense for 3G networks.

Bluetooth - A wireless standard for portable devices that communicate with each other. By using the Internet, these devices can connect with home or business desktop PCS. To use this technology, manufactures of PDAs, notebooks, and cellular phones have a special transceiver chip installed and their products must be approved by the Bluetooth Special Interest Group.

CDMA (Code Division Multiple Access) - A digital wireless network that uses the full frequency spectrum available to the Carrier. Devices on these networks encrypt data and keep the data streams separated by a special digital code.

FHSS (Frequency Hopping Spread Spectrum) - Networks like Bluetooth use this type of transmission for sending and receiving a radio frequency. By switching rapidly from one frequency to another in a predetermined pattern, it reduces the chance of the signal being intercepted by other monitoring devices.

GPRS (General Packet Radio Service) - A protocol use by digital networks that can transfer data packets up to 150 Kbps. Wireless mobile devices benefit from the higher bandwidth and can receive information from Web sites including video and are able to send email.

GSM (Global System for Mobile Communication) - A world wide wireless network standard where wireless mobile devices share the same channel. The network is able to operate at a high efficiency by allocating a specific time slot for each device.

PCMCIA (Personal Computer Memory Card International Association) - An established standard for PC Cards. The PC Cards are the size of a Credit Card and can be used in a wide variety from expanded memory to modem connections for network adapters.

SMS (Short Message Service) - Allows up to 160 characters per message to be sent to a cellular user. The Short Message Service Center (SMSC) is where a message is sent to first. The SMSC contacts the Home Location Register (HLR) of the receiving mobile user, and checks to see if their device is able to receive the message. If the devices is not able to receive the message, the HLR will let the SMSC know the device is not able to receive at that time. The SMSC will then hold the message until the HLR notifies the SMSC that the user's device is able to receive the message.

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