Bluetooth 5.2 low power small size module supports Bluetooth SIG Mesh - MY-BT503


The Bluetooth 5.2 low power module MY-BT503 is a compact module with dimensions of 10mm (width) X 16mm (length) X 2.2mm (height). It can be seamlessly upgraded through the serial port. The default UART baud rate is 115200bps, and the compatibility range is 1200bps to 921.6Kbps. In addition, it also supports Bluetooth SIG Mesh and private Mesh, supports one-to-many and multi-connection, supports master mode, and master-slave integration. MY-BT503 has an operating temperature range of -40°C to +80°C and complies with RoHS environmental standards, ensuring reliability and performance in different environments.

MY-BT503 comes in a stamp-hole package, ensuring easy integration into a variety of devices while maintaining low power consumption. It provides a powerful transmit power of 0dBm, supporting a wide range of applications such as industrial digital transmission, health and medical equipment, measurement and monitoring systems, industrial sensors and controls, Bluetooth digital keys, Bluetooth scanners, Bluetooth mesh networks, luminaire lighting, and Wireless transmission of household appliances.

MY-BT503 Parameter:

Bluetooth Model MY-BT503
Bluetooth Version Bluetooth 5.2 Low Energy
Operating Voltage Range 3.0 ~ 3.6V
Receive Sensitivity -92dBm@0.1%BER
Frequency 2.402GHz -2.483GHz ISM band
Modulation GFSK, π/4-DQPSK, 8-DPSK
Crystal 16MHz
Profiles HID,ATT,GATT(Central/Peripheral)
Dimension 10mm(W)*16mm(L)*2.2mm(H)
Interface UART/I²S
Work temperature -40ºC to +80ºC
Transmit power Maximum 6 dBm
Antenna Built-in PCB Antenna (Default), supports external antenna (Optional)
Highlights Long Range, UART Pass-through, Low Cost


MY-BT502 Features:

  • Bluetooth 5.2/5.1/ 5.0 /4.2/4.1/4.0
  • Cheapest Price Bluetooth Module
  • Stamp hole package
  • Support for Master Mode, Master-Slave Integration: Can function as a master device or as a master-slave device
  • Support for One-to-Many, Multi-Connection: Capable of simultaneously connecting multiple external devices and supporting one-to-many communication
  • Support for Bluetooth SIG Mesh
  • Bluetooth Profile Support: Supports various Bluetooth profiles, including HID, GATT, ATT, GAP, etc.
  • UART Baud Rate: Default UART baud rate is 115200bps, with a range from 1200bps to 921.6Kbps.
  • Customized Firmware
  • Over-The-Air (OTA) Firmware Updates


MY-BT502 Application:

Download Product Specification:

Scroll to Top