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Chapter 3 – Application Examples
Multi-Tech Systems, Inc. MultiModem Wireless EDGE, GPRS, & CDMA Modem with Bluetooth (S000390B) 11
Chapter 3 – Application Examples
The following diagram shows three uses or applications for the MultiModem EDGE wireless modem with a Bluetooth
interface.
Overview of the Applications Shown Above
The following points give an overview of each example. See the following pages for setup details.
1. Download Sales & Inventory Using an Adapter as Slave
• A Bluetooth adapter connected to the vending machine (a Multi-Tech MultiModem Bluetooth
adapter is shown in this example) reads the sales and inventory statistics from the vending
machine.
• This information is sent to the Bluetooth part of the MultiModem EDGE wireless modem.
Note: Sending can be accomplished within 100 meters (330 feet).
• The information is then transferred from the Bluetooth part of the MultiModem EDGE to the
modem part of the device.
• The modem then wirelessly transmits the data through the EDGE network tower to the data
acquisition server via the Internet.
2. Credit Card Verification at a Point-of-Sale (POS) Terminal Using an Adapter as a Master
• A Bluetooth adapter connected to a POS terminal (a Multi-Tech MultiModem Bluetooth adapter is
shown in this example) reads the sales and inventory statistics from the POS.
• This information is received by the Bluetooth part MultiModem EDGE wireless modem.
Note: Receiving can be accomplished within 100 meters (330 feet).
• The information is then transferred from the Bluetooth part of the MultiModem EDGE to the
modem part of the device.
• The modem then wirelessly transmits the data through the EDGE network tower to the data
acquisition server via the Internet.
3. Using a Bluetooth-Enabled PDA to Access the Internet
• To access the Internet, a Bluetooth-enabled PDA connects to the Bluetooth part of the
MultiModem EDGE.
• Once the Bluetooth connection is made, the PDA is communicating with the modem part of the
device.
• The PDA then wirelessly connects through the EDGE network tower to the Internet.