Serial Bluetooth Adapter

    Model: UCBT232B

€45,00 Ex VAT
€56,25 Inc VAT

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Bluetooth Serial Adapter modules are often underestimated when it comes to serial RS232 connectivity, fact is that serial connectivity by a Bluetooth serial adapter actually gives you the most economical, most efficient, secure and reliable wireless serial connection within the 300 feet range.

A Bluetooth serial adapter gives you a very convenient and easy way to wirelessly communicate with your serial devices, regardless if they are new or old, and with the new Bluetooth serial 2.0, 3.0 and 4.0 protocols you get 128bit encryption for highly secure communications.

This Bluetooth serial adapter is a good all-round unit for general wireless RS232 communication with serial printers, building control, scales, office equipment, alarm and security devices, telescopes (tested with ASCOM, and SkySafari software), CNC's and other manufacturing machinery.
It can be powered by the included USB cable, a USB Mini power adapter, pin 9 at the DB9 connector or by an external battery.

You can communicate with this Bluetooth serial adapter via standard built-in Bluetooth or by using an external USB Bluetooth dongle. The advantage of using one of these methods is that you will need only one Bluetooth serial adapter to setup a communication link.
If you want a direct cable replacement which automatically connects your devices wirelessly without the need for a computer then you can also use this adapter in pairs, (see illustrations below).

For easy configuration of the parameters of this serial Bluetooth adapter we recommend using our USB to serial adapter cable part XS880, unless you have a serial COM port available in your computer.
The parameters can however also be configured over Bluetooth if you have built-in Bluetooth or if you are using a USB Bluetooth dongle.

Each package contains one Bluetooth serial adapter which works as a full duplex transceiver, meaning it can both transmit and receive data. You will need two of these Bluetooth serial adapters to setup a communication link unless you already have a built-in or external Bluetooth dongle. Take a look at our detailed setup examples to see how this adapter can be setup.

Simplified setup examples:
serial bluetooth adapter diagram 4
Serial Bluetooth diagram 3
serial bluetooth adapter example 2
serial bluetooth adapter diagram 1

Overall features
  • Can be powered by: USB, DB9, power supply or battery
  • Highly configurable over serial or wireless interface
    using simple ASCII commands
  • Internal antenna
  • Works with most mobile devices / operating systems
  • USB power cable included
  • DCE/DTE controlled by switch
  • Can be powered through the serial interface
  • LED control lights
  • Works with most serial RS232 devices
  • Full duplex, can send and receive at the same time
  • Many advanced features
Included items
  • Serial Bluetooth adapter
  • USB cable (for power)
  • Wire for connecting battery
  • Datasheet


Useful optional accessories
(not included)

usb power supply
USB Bluetooth dongle 200ft

usb power supply
USB Bluetooth dongle 25ft

usb power supply
USB mini 110V/5VDC Power adapter

Battery pack
Rechargeable battery pack

gender changer
Gender Changer

null modem adapter
Null modem adapter
Part number UCBT232B
Operating systems Windows 10, Windows 8, Windows 7, Vista, XP, 2000, ME, 98, Linux, Mac, Android
Interface type RS232
Works with iPad/iPod? No, however it does work with most other Bluetooth enabled smartphones, tablets and devices
Chipset CSR BlueCore4 model BC417
Baud Rates 1200, 4800, 9600, 19200, 38400, 57600, 115200
Stop bits 1 or 2
Data bits 7 or 8
Parity None, odd, even
Data buffer size 4Kb
Operating distance 200 to 330 feet (60 to 100 meters) in open space
LED lights TX, RX and Power
Bluetooth stack Serial Port Profile (SPP)
PIN PIN code available for pairing
Connection type Point-to-point
Flow control CTS/RTS and DSR/DTR configurable by software
DEC/DTE Manual switch
Parameters configured by Standard terminal software such as TeraTerm or Putty
RS232 Signals TX, RX, CTS, RTS, GND
Echo Configurable by software (on/off)
NMEA 183 compatible Yes
Works with Windows 2008/20012 Server? No, Windows Server does not have built-in Bluetooth drivers
Can pair while serial interface receives data Yes
Full duplex RS232 Yes, can send and receive simultaneously both when connected over Bluetooth and when used in pairs.
Number of slaves per master 7
Parameter configuration Through the serial port or over Bluetooth
Serial port 1-port female D-Sub 9-pin
Bluetooth standard V2.0 Class 1, + EDR
Frequency range 2.4GHz – 2.4835 GHz ISM Band
Hopping 1.600/sec, 1MHz channel space
Modulation GFSK-1, DQPSK-2, 8-DPSK-3 Mbps
Tx power Max. 18dBm (class 1)
Rx sensivity -86 dBm typical
Antenna Internal chip
Antenna gain max 1 to 2 dBi
Power supply +5 to +6 VDC 300mA powered by:
Option 1: USB cable (included)
Option 2: Pin 9 on DB9 connector
Option 3: External battery (not included)
Option 4: Mini USB adapter (not included)
Current draw Max 90mA
Operating temp. -20C to 75C
Dimensions 87 x 33 x 16 mm
Certifications CE, FCC

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

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Møllegærdet 27
6000 Kolding, Denmark

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