The LM048 is the worlds smallest Bluetooth Serial RS232 Adapter with a comprehensive range of firmware commands. Using a EDR V2.0 Class 1 Bluetooth chipset as standard these units have a range of up to 100m with a transfer rate of up to 3Mbps.

The Bluetooth Serial RS232 Adapter has three LED status lights that indicate: Power on, Data transfer status and Bluetooth connection status.

The DB9 connector has a nut on one side and a screw fix on the other. The side mini USB port can be used to power the unit from either USB to USB or Mains to mini USB. The strong housing is able to with stand knocks and has been drop tested from over 10 metres.

Standard range is up to 100mtrs, using a Class 1 bluetooth chipset which is supplied as standard. This unit also has FCC, CE and RTTE approval.

Technical Specification

Product Name	RS232 Bluetooth Serial Adapter
Chipset	CSR BC4 EDR
Bluetooth Rate	3Mbps
Bluetooth Profiles	SPP and GAP
Baud Rate	48/96/192/384/576/1152/2304/4608 kbps
Transmission Class	Class 1 - 100 Metres
Spread Spectrum	24000 GHz - 24835 GHz
Modulation Method	GFSK-1 Mbps, DQPSK-2 Mbps, and 8-DPSK-3 mbps
Transmitter Power	18 dbm
Receive Sensitivity	-86 dbm
Operating Range	100 Meters - Open Space
Operating Temperature	20°C to +75°C
Signal	TxD, RxD, GND, CTS, and RTSRS-232
Interface	D_SUB 9-pin female
Connections	Mini USB and Female SMA
Weight	37 Grams
Dimensions	47 mm (W) x 34 mm (D) x 19mm
Certificates	CE, FCC, RoHS and BQB

Features:

Worlds Smallest RS232 Bluetooth serial adapter
Multiple power options, 9th Pin, AC mains PSU and USB power cable
CSR BC04 EDR 2.0+Chipset
Windows configuration software
PSU and gender changers supplied
Growing and improving AT command set
Approved product by some of the worlds leading data logger manufactures
Firmware upgradeable

Factory Settings	Description
Baud rate	19200 bps
Data bit	8
Parity	None
Stop bit	1
Flow control	HW or none

Status	Description
Power LED (red) off	No power supply
Power LED (red) on	Firmware is running OK
Link LED (blue) off	No pairing established
Link LED (blue) very fast (0.1 sec) blinking	Pairing (slave or master mode)
Link LED (blue) fast (0.3 sec) blinking (slave mode)	Discoverable and waiting for a connection
Link LED (blue) slow (0.9 sec) blinking	Inquiring (master mode)
Link LED (blue) very slow (1.2 sec) blinking	Connecting (master mode)
Link LED (blue) steadily on	Connection established
Data LED (Green)	Blinking when transmitting

Package includes:
Mini Bluetooth Serial Adapter x 1
Mini DB9 Male to Female Converter x 1
UK Mains Adapter x 1
USB Cable x 1
User Manual x 1