30068 Parallax Inc, 30068 Datasheet - Page 140

• Manufacturer Part Number: 30068
• Description: EMBEDDED BLUE TRANSCEIVER APPMOD
• Manufacturer: Parallax Inc

Specifications of 30068

• Frequency: 2.4GHz
• Data Rate - Maximum: 90kBaud
• Modulation Or Protocol: Bluetooth v1.1, Class 2
• Applications: Bluetooth v1.1
• Power - Output: -4dBm
• Sensitivity: -85dBm
• Voltage - Supply: 5 V ~ 10 V
• Current - Receiving: 80mA
• Current - Transmitting: 250mA
• Data Interface: PCB, Through Hole
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -20°C ~ 75°C
• Package / Case: Module
• Product: Microcontroller Accessories
• Operating Supply Voltage: 5 to 12 V
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q2239141

Frequently Asked Questions
Answer:
Question:
Answer:
Page 134 ▪ EmbeddedBlue 500 User Manual
Bluetooth is a reliable point to point protocol much like TCP\IP. If transmitted
data is lost or corrupted over the air it will automatically and seamlessly be
retransmitted. As long as the eb500 status line tells you that there is a valid
connection, you can be confident that all data will be delivered properly.
The most likely cause of this data loss involves the way that serial data is
handled in the BASIC Stamp application. The BASIC Stamp devices
implement a UART in software and therefore will miss data that arrives while
not executing a SERIN command. Refer to the BASIC Stamp User’s Guide
for more details.
I used the set visible command to make the eb500 module not visible to
other devices, but when I perform a scan from my PC I still see the device.
Why?
Most of the PC Bluetooth implementations cache device scan results to save
time. If you located the eb500 module before making it invisible, the PC will
remember the device even though it can no longer be seen. These results
are typically only cached until the Bluetooth stack is reset, so if you reboot
the PC or remove and reinsert the dongle you should no longer see the
device.