1. Class 1   (100m+) Long Range Bluetooth Serial Adapter with inbuilt Antenna.LM048 is the world’s smallest Bluetooth Serial Adapter for RS232 cable replacement solution.
  2. LM’s patented firmware enables all RS232 control signals (DTR, DSR, RTS, and CTS). Unlike other Bluetooth serial adapters in the market, a pair of LM048 adapters with its unique hardware and firmware combination can act as a true straight or twisted serial cable solution.
  3. The units hold FCC, RTT&E, ANATEL, SIG, EMC and test reports and certifications and are RoHS compliant.

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Features

1. World’s smallest Bluetooth Serial Adapter

2. True straight or twisted Serial Cable Replacement Solution

3. Ability to transfer DTR, DSR, RTS and CTS line status over air providing true Serial Cable replacement solution. This functionality allows serial printers using DSR or CTS line for error reporting to report errors like “Out of Paper” or “Printer Offline”

4. Allows any device with a standard 9-pin serial port to communicate wirelessly

5. Bluetooth v2.0 + EDR compliant backward compatible with Bluetooth v1.2/1.1 specification. Bluetooth 2.1 firmware also available

6. Maximum Serial Port Baud rate Rate 921.6 kbps

7. Lead free RoHS compliant

8. Small Size – 46.3 mm x 36 mm x 13 mm

Benefits

1. Proven product in many industries

2. Ideal solution for serial cable replacement

3. Error conditions like Paper Out, Power Failure etc can be emulated over wireless link

4. Ideal for devices like Receipt printers which use DSR line or CTS line status of error reporting

5. A pair of adapters can be configured to connect to each other automatically, hence emulating true straight or twisted serial cable

6. PC Application Software available to configure the adapters

7. Adapters can also be configured via AT Commands on Serial Port Terminal Software like Hyperterminal

8. Adapter can act as both DTE or DCE device

9. FCC, RTT&E, ANATEL, SIG, EMC Test Reports and Certificates and RoHS compliant

Application

1. Serial Communications
2. Medical Devices
3. Bar Code Scanners
4. Display Control
5. Data Logging
6. Vending
7. Controlling Security Systems
8. CNC Machines Control
9. Industrial Application

LM048 – Bluetooth Serial Adapter
Manufacturer LM Technologies
Chipset CSR Bluecore 4 (BC04)
Power Classification Class 1
Adapter Type Serial Adapter
Connector Type DB9 RS232 female, Mini USB
Bluetooth Specification Core v2.0 + EDR backward compatible with Bluetooth v1.2/1.1 specification. Bluetooth 2.1 firmware also available
Frequency 2402 – 2480 MHz
Temperature Range -20 to +75 C
Data Rate Upto 921.6 kbps serial baud rate supported
Range Upto 100 m in open space
Rx Sensitivity -86 dBm typical
Antenna On board chip antenna
Antenna Gain Max 1 to 2 dBi
Power Supply 4V to 13V DC
Current Consumption Max 90 mA
Current Consumption Max 90 mA
Power Output +18 dBm Max
Baud Rates 1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2/230.4/460.8/921.6 kbps
RS232 Signals TxD, RxD, GND, CTS, RTS, DTR and DSR
Default Firmware v6.54
Size 46.3 mm x 36 mm x 13 mm
Bluetooth Profile Serial Port Profile (SPP) and Generic Access Profile (GAP)
Interface UART
Serial Parameters Default 19200, 8 N 1
Configuration AT Command Set
Flash Memory 8 MB
RoHS Compliant Yes

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Part No.LM153
Multi-plug (EU,US,UK), mains to 5V mini USB

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Part No.LM156
PSU with US Connector, mains to 5V mini USB

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Part No.LM158
PSU with UK Connector, mains to 5V mini USB

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Part No.LM159
PSU with EU Connector, mains to 5V mini USB

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Part No.LM161
Male USB to Female mini USB Black 0.5m Cable

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LM Technologies Related Products
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LM Technologies Documentation
Manual LM048 ManualDownload
Quick Start GuideLM048 Quick Start GuideDownload
Remote AccessLM048 Remote Access Feature DescriptionDownload
Application NotesLM048 Bluetooth Adapter Application NotesDownload
LM048 Printer Application NotesDownload
LM048 Pairing ProcedureDownload
At Command ManualLM048 AT Command Manual v6.5xDownload
LM048 AT Command Manual v4.22Download
CertificationLM048 CE R&TTE CertificateDownload
LM048 FCC CertificateDownload
LM048 BQB CertificationDownload
LM048 Anatel Brazil CertificationDownload
TroubleshootingLM048 Troubleshooting GuideDownload

LM Technologies Case Studies