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The LM931 from LM Technologies is a Bluetooth Smart Module 4.1 BLE, featuring an antenna IC on board. It enables you to communicate with other Bluetooth Smart devices up to 55 m in open space. The LM931 is used as a peripheral device in things such as monitors, meters and printers. The LM931 is a fully integrated module, enabling you to save space on the PCB. .
Features and Benefits. Bluetooth V4.1. 14 mA current consumption (at 0 dBm). On-board Antenna IC. I2C and UART. 4 x PWM channels.
Bluetooth Class = Class 1
Bluetooth Version = 4.1
Maximum Output Power = +9dBm
Receiver Sensitivity = -92dBm
Supported Bus Interfaces = AIO, I2C, PIO, SPI, UART
Supported I/O Interfaces = Serial
Dimensions = 22 x 10.11 x 2.5mm
Height = 2.5mm
Length = 22mm
Maximum Operating Temperature = +85°C