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Serial Bluetooth Smart® Adapter - RS232
Low Energy 4.1 BLE

  • Model: BLE232V2


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This product has been replaced
with part USBLE232C which has
better performance and stability.

This serial RS232 Bluetooth adapter is a Bluetooth V4.1 Low Energy (BLE) adapter, also commonly called Bluetooth Smart®. It will allow you to communicate with most serial RS232 devices using a Bluetooth Smart® enabled device such as an iPad/iPhone, Android, Windows tablet or any other Bluetooth Smart enabled device.
Notice that this adapter REQUIRE a Bluetooth Smart® compatible device / application to be able to connect and transfer data with iOS, Android and Windows.
If you don't have a Bluetooth Smart® / Bluetooth BLE device then you can use one of our standard SPP (Serial Port Profile) v2.0 Bluetooth serial adapters instead.

Bluetooth Low Energy 4.0 (BLE) / Bluetooth Smart® is supported by most newer (2015) tablets, phones, computers and other Bluetooth enabled devices, including the following devies: Android 4.3+, iPad 3+, iPhone 4S+ and iPad Mini.
The following operating systems support Bluetooth Smart®: iOS 5 and later, Windows Phone 8.1, Windows 8 and later, Android 4.3 and later, BlackBerry 10, Linux 3.4 and later through BlueZ 5.0.

This Bluetooth Smart® wireless serial adapter has a maximum communication range of up to 160 feet (50m) and applications includes automation, home applications, automotive, laboratory, office use and many more, only your imagination is the limit.

The adapter can be configured as a central or peripheral (master or slave) device. It also has multiple other port parameters and functions such as baud rate, flow control, parity, data bits and status request which can be configured/requested by DIP switches or through the COM port using AT commands and a terminal program.
Alternatively the parameters can also be configured using a free downloadable app for either iOS or Android.

Overall features
  • Bluetooth Smart® compatible
  • Supports Bluetooth Low Energy 4.1 (BLE)
  • DIP switches for most settings
  • iOS and Android app available for configuration
  • Can be configured via COM port with AT commands
  • Works as a peripheral or central device
  • Can be powered by: included micro USB cable
  • Internal antenna
  • Communication range up to 160 feet (50m)
  • DCE/DTE controlled by switch
  • LED control lights
  • Supports CTS/RTS flow control
  • Works with most serial RS232 devices
Included items
  • Serial Bluetooth adapter
  • USB cable (for power)
  • Screws and nuts for DB9
  • Datasheet


Useful optional accessories
(not included)

Battery pack
Rechargeable battery pack

null modem adapter
Null modem adapter
Part number BLE232V2
Operating systems iOS 5 and later, Windows Phone 8.1, Windows 8 and later, Android 4.3 and later, BlackBerry 10, Linux 3.4 and later through BlueZ 5.0.
Processor Cypress CYBLE-012012-10
Application Short data transmission
Data payload 27 bytes
Interface type RS232
Mode Central or Peripheral (Master or Slave)
Works with iPad/iPod? Yes
Baud Rate 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600
Parity None, even, odd
Stop bits 1, 1,5, 2
Data bits 7, 8
Flow control None, CTS/RTS
Operating distance Up to 160 feet (50m) in open space
LED lights TX, RX, Bluetooth and Power
DEC/DTE Manual switch
Parameters configurable by - Over the air by iOS and Android app
- Via COM port by AT commands
- DIP switches
RS232 Signals TX, RX, CTS, RTS, GND
Works with NMEA 0183 Yes
Serial port 1-port female D-sub 9-pin
Bluetooth version V4.1
Programming interfaces GATT / UUID
Frequency range 2.4GHz ISM ( 2.40000 – 2.4835GHz)
TX Power Max. 3 dBm
RX Sensitivity -89 dBm typical
TX current consumption 15.6 mA (radio only, 0 dbm)
Antenna Internal
Antenna Gain max. 2 dB
Power supply Mini USB, screw terminals or DB9 pin 9: 5 - 27VDC
Operating temp. -40C to 70C
Dimensions 81.6mm x 31.75mm x 17mm mm
Certifications CE, FCC

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


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