LM-072 is a Bluetooth module produced by LM-Technologies. It supports Bluetooth Ver. 2.0+EDR, has a maximum transmit power of +18dBm (class 1), supports 3.0V to 3.6V power supply, supports UART and USB interfaces, and supports SPP, HSP/HFP, HID, DUN and other protocols.
The LM-072 Bluetooth Module is a Class 1 BCO4 device supporting Bluetooth 2.0+EDR with transmit power up to +18 dBm. It operates from 3.0 V to 3.6 V and offers multiple interfaces including USB, UART, and PCM for voice codec applications. Features include support for up to 7 ACL links, 3 SCO links, and coexistence with 802.11.
The document lists detailed electrical and radio characteristics, pin configuration, mechanical dimensions, and regulatory notes. It is intended for designers integrating the module into access points, PDAs, GPS, POS, barcode readers, and other domestic or industrial applications.
| Transmit Power | +18 dBm (class 1) |
|---|---|
| Supply Voltage (VDD) | 2.7 – 3.6 V |
| Operating Voltage (UART/USB) | 3.0 – 3.6 V |
| Carrier Frequency | 2.402 – 2.480 GHz |
| RF Output Power | 15 – 18 dBm |
| Maximum Current Consumption (Receive) | 114 mA |
It supports up to 7 ACL links and 3 SCO links.
The module provides USB, UART, and PCM interfaces, as well as GPIO and programmable I/O pins.
The module dimensions are 28.2 mm × 15.0 mm × 2.8 mm.