Detailed Description  20 hr in  Trickling power mode  Physical Characteristics Dimension 72.5mm x 40.4mm x 26mm  Weight 70 g Temperature Operating -20°~60°C Storage -30°~ 80°C Humidity Up to 95% non-condensing 3.2 Bluetooth Specification  Bluetooth V2.0+EDR Compliant  Supply Voltage: 2.8V ~ 3.3V  Frequency Range: 2.402 ~ 2.480 GHz  Receiver Sensitivity: -80 dBm  Transmit Power: Class 2  Transmitting Range: 10 m (Depends on environment)  Power Consumption: 30 mA (Typical)  4. Usage  4.1. For PDA with built-in Bluetooth  1. Turn on the power switch in BTGP38-Plus  2. Please refer to the user manual of PDA and make the Bluetooth of PDA  connect to the BTGP38-Plus. Some PDAs may need the Bluetooth  passkey, the passkey is 0000.  3. Check the number of COM port used by Bluetooth.  4. Run the suitable mapping/navigation software and select the correct COM port  & baud rate: 9600 4.2. For PDA with Bluetooth Compact Flash card  1. Turn on the power switch in BTGP38-Plus  2. Please refer to the user manual of Bluetooth Compact Flash card to make it  connect to the BTGP38-Plus. Some Bluetooth devices may need the Bluetooth  passkey, the passkey is 0000.  3. Check the number of COM port used by Bluetooth.(Example COM 6).  4. Running the suitable mapping/navigation software and select the correct COM  port & baud rate :9600 4.3. For Notebook with Bluetooth device  1. Turn on the power switch in BTGP38-Plus  2. Please refer to the user manual of Bluetooth device and make it  connect to the BTGP38-Plus. Some Bluetooth devices may need  The Bluetooth passkey, the passkey is 0000.  3. Check the number of COM port used by Bluetooth.(Example COM 6).  4. Running the suitable mapping/navigation software and select the correct COM  port & baud rate: 9600 Note: The Bluetooth device in most of the applications have an auto-detect  feature that you do not need to select the Baud Rate.