The LY51M02 Bluetooth module is a data transmission module based on Bluetooth Specification V5.1 BLE Bluetooth protocol. The wireless working frequency band is 2.4GHz ISM, and the modulation method is GFSK (Gaussian Frequency Shift Keying).

The module transmit power is adjustable, -21dbm ~ +5dbm, a total of 13 power levels. It adopts a TI’s CC2640R2L chip and supports Bluetooth 5.1BLE, applied to industrial remote control, gamepad, data acquisition equipment, intelligent lighting equipment, Bluetooth remote control toys, wireless LED displays, Bluetooth printer, smart home, industrial control and other fields.

Specification

Module model: LY51M02

Working frequency band: 2.4G

Chip model: TICC2640R2L

Communication interface: UART (3.3V TTL)

Working voltage: 3.3V~5V

Working current: 4mA

Transmit power: 5dBm (maximum)

Communication rate: 5-10K/s

Antenna connection method: PCB on-board antenna

Working temperature: 0℃~+85℃

Module size: 80*17*7mm

Tutorial:https://wiki.keyestudio.com/KS0542_Keyestudio_LY51M02_Bluetooth_5.0_Module