• Bluetooth to Serial Adaptor  Class 1 - 100m with External Dipole Antenna

This Bluetooth to Serial adapter with External Antenna eliminates your conventional RS232 Serial cables,
providing an easy to use, invisible connection with superior freedom of movement.

This Bluetooth to Serial Adaptor allows any device with a standard 9 pin serial port to communicate wirelessly.

You can communicate with another Bluetooth Serial adaptors or other Bluetooth enabled device such as a PC/Laptop, Tablets, PDA or mobile phones.


Supports Bluetooth Serial Port Profile and Generic Access Profile
No need of external host and software
Easy installation and use
Supports configuration of the local device
Easy maintenance
Class 1 Device that supports up to 100 meters (line of sight)

Full Technical Specifications:

Brand: BTLink
Model: BTL-578
O/S Support: Works on Windows 8, Windows 7, Vista, XP, 2000, ME, 98SE, Linux, MAC OS and Android.
Baud Rate: Supports 1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2/230.4
Coverage: Up to 100m (line of sight)
Connection: Point-to-point
RS232 Signals: TxD, RxD, GND, CTS, and RTS
RS-232 Interface: DB9 Female
Compliant:Bluetooth specification v1.2 / v2.0 +EDR
Frequency: 2.400 to 2.4835GHz
Hopping: 1,600/sec, 1MHz channel space
Modulation: GFSK 1Mbps, DQPSK 2Mbps, and 8 DPSK 3mBPS
Tx. Power: Max. 18dBm (Class 1)
Rx.: Sensitivity -83dBm typical
Antenna: External antenna
Antenna Gain: Antenna max. 1 to 2dBi
Current Consumption: Max. 100mA
Compliant: CE, FCC & RoHS
Dimensions (L,W,H): 120mm x 35mm x 17mm


Package contains:
1 x Bluetooth Serial Adaptor
1 x External Dipole Antenna
1 x Male to Male converter (DB9 M to DB9 M) for DTE mode support
1 x USB cable for power supply
1 x BTLink Configuration Software (as download link below - license key emailed after purchase)


Software (registration key provided free after device purchase via email):
Configuration Software v1.02



These devices are also known as:
Bluetooth Serial Adaptors
Bluetooth to RS232 Adaptor
Wireless Bluetooth Adaptors
Wireless Serial Port
Bluetooth to RS232/Serial Converters
Bluetooth to Serial Adaptor
RS232 to Bluetooth Adapter
Industrial Bluetooth RS232 / Serial Adapters
Serial to Bluetooth
Bluetooth to RS232 External Antenna
BT-232 / BT232
BTLink BTL578
BTLink Bluetooth to RS232 Adaptor
BTLink BTL-578
BT-232 / BT232


User Guide / Manual:
BTLink Bluetooth to RS-232 Adapter User Manual V2.7


Related product enhancements:

Directly compatible with DACIO 300 RS232 Input/Ouput Board (item 4130) for wireless I/O applications
(Bluetooth device can be powered via pin 9 option on DACIO 300).

Directly compatible with RS232 to TTL boards (item 4201) for long Bluetooth to TTL class 1 applications
(Bluetooth device can be powered via pin 9 option on RS232 to TTL 4201 boards).

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Bluetooth to Serial Adaptor Class 1 - 100m with External Dipole Antenna

  • Model No.: 2751
  • Availability: In Stock
  • £26.99


  • 4 or more £26.49
  • 10 or more £26.15
  • 20 or more £25.55
  • 50 or more £24.99

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Tags: 2751, Bluetooth RS232, Bluetooth Serial, Class 1 Bluetooth to RS232, Bluetooth to RS232, Bluetooth Serial, BTLink Bluetooth, 2751, Wireless Serial, Wireless RS232, Bluetooth Serial RS232 Adapter, RS232 Bluetooth Converter, BTL-578, BTLink 578