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USB Bluetooth v.2.0 Dongle, Class 1, 300 feet

  • Model: ES-388
  • In Stock


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If your computer does not have built-in Bluetooth then you can use this USB Bluetooth dongle to Bluetooth enable your computer.

This dongle has Bluetooth v. 2.0 + EDR Class 1 with a communication range of up to 300 feet (100 meter) line-of-sight. An economical and easy solution to communicate wirelessly with our Serial Bluetooth Adapters.
The processor chip is a reliable Broadcom BCM2045 processor.

You can use this dongle to connect up to seven of our serial Bluetooth adapters to a single computer.
Other Bluetooth enabled devices such as smart phones, printers or other mobile devices can also be connected to your computer via this USB Bluetooth dongle.

Windows built-in Bluetooth management can be used for creating the virtual COM ports and to manage the wireless link and the incoming and outgoing ports.

The communication range for this USB Bluetooth dongle is confirmed for up to 300 feet (~100 meter).

USB serial Bluetooth

Overall features
  • Low-cost and easy to use
  • Broadcom BCM2045 processor
  • Class 1 Bluetooth up to 300 feet (100 meter)
  • Bluetooth V2.0 + EDR compliant
  • LED light indicates power
  • Works with USB v1.1, 2.0 and 3.0 ports
  • Works with both laptops and desktops
  • USB bus powered


Part number ES-388
Chipset Broadcom BCM2045
Operating systems Windows 11, Windows 10, Windows 8, Windows 7, Vista, XP, 2000, ME, 98, Linux, Mac
Receiving / Sending range 300 feet (100 meter) line-of-sight
Bluetooth version V2.0 + EDR compliant Class 1
USB versions 1.1, 2.0 and 3.0
Protocols supported L2CAP, SDP, RFCOMM, SPP, A2DP, Generic Access, Service Discovery Application, Dial-Up Network, Fax, File Transfer, LAN Access, Synchronization, Object Push, Generic Object Exchange
Modulation GFSK,1Mbps,0.5BT Gaussian
Hopping 1600hops/sec, 1MHz channel space
Transmission Power -4dBm to +4 dBm; Power control 6 stage typical +2dBm
Receiving Signal Range -88dBm to -20 dBm
Frequency 2402MHz to 2480MHz
Max data rate
1M Asynchronous:723.2/57.6kbps
2M Asynchronous:1448.4/115.2kbps
3M Asynchronous:2178.1/177.1kbps
Antenna Integrated chip antenna
EDR compliant 2Mbps and 3Mbps modulation
Baseband Crystal OSC 16MHz
Operation Temperature -20 to +60 degree
Dimensions 50mm x 18mm x 9mm

For alternative wireless serial solutions please see our full selection of wireless RS232 adapters.

Please see our selection of wireless serial adapters which will work with this USB Bluetooth dongle.


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