Designed for reliable serial communication, the JDY-33 supports both Classic Bluetooth (SPP 3.0) and Bluetooth Low Energy (BLE 4.2), making it compatible with Android, iOS, Windows, and Linux devices. Its compact size, low power consumption, and UART interface make it ideal for IoT applications, smart home systems, wireless data transmission, robotics, POS devices, thermal printers, and automotive diagnostics.

Key Features:

• Dual-mode Bluetooth: Bluetooth 3.0 SPP + BLE 4.2
• UART serial communication interface
• Compatible with Android, iOS, Windows, and Linux devices
• Up to 30 meters wireless transmission range in open environments
• Low operating current (approximately 6.5mA)
• Built-in PCB antenna for stable connectivity
• Supports AT commands for custom configuration
• Compact SMD design for easy integration into embedded systems and IoT projects

Specifications:

• Operating Voltage: 3.6V6V
• Working Frequency: 2.4GHz
• Bluetooth Version: Bluetooth 3.0 SPP + BLE 4.2
• Communication Interface: UART
• Transmission Distance: Up to 30m
• Operating Temperature: -40C to +80C
• Module Size: 26.7 13 1.7 mm
• Built-in PCB Antenna

Package Includes:

• 1 JDY-33 Dual Mode Bluetooth Module

Perfect for makers, engineers, and developers looking for a compact and versatile Bluetooth solution for wireless communication projects.