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Me Bluetooth Module - Dual Mode
The Me Bluetooth Module - Dual Mode is a versatile wireless communication module that supports both Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE) protocols, enabling seamless connectivity across legacy and modern IoT devices. Professional engineers and embedded systems developers rely on this module for rapid prototyping of wearables, industrial IoT sensors, home automation systems, and wireless data acquisition applications. This dual-mode capability eliminates the need for separate modules, reducing PCB real estate, power consumption, and overall system cost while maintaining backward compatibility with existing Bluetooth ecosystems.
Product Overview
The Me Bluetooth Module - Dual Mode operates on a robust chipset architecture that integrates a Bluetooth 4.2 or 5.0 compliant radio with an embedded microcontroller, allowing simultaneous operation in both Classic and BLE modes without mode switching delays. The module features integrated antenna design with impedance matching circuitry, ensuring optimal RF performance across the 2.4 GHz ISM band with minimal external component requirements. The dual-mode architecture employs time-division multiplexing to manage simultaneous Classic and BLE connections, making it ideal for applications requiring legacy device compatibility alongside modern low-power sensor networks.
This module excels in mixed-protocol environments where devices must communicate with both traditional Bluetooth speakers, phones, and keyboards while simultaneously managing BLE peripheral connections for wearables and IoT sensors. The integrated power management system includes dynamic frequency scaling and adaptive transmit power control, achieving exceptional battery life in portable applications. Built-in security features encompass AES-128 encryption, authentication protocols, and secure pairing mechanisms compliant with Bluetooth SIG specifications, making it suitable for medical devices, financial IoT applications, and secure industrial control systems.
Key Specifications
| Specification | Details |
| Product Type | Dual Mode Bluetooth Module (BR/EDR + BLE) |
| Brand | Me/Generic OEM |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Bluetooth Version | Bluetooth 4.2 or 5.0 Dual Mode |
| Operating Frequency | 2.4 GHz ISM Band |
| Transmission Power | +4 dBm to +20 dBm (adjustable) |
| Range | 10-100 meters (depending on antenna and power settings) |
| Interface | UART/SPI/I2C serial communication |
| Operating Voltage | 3.0V to 3.6V DC |
| Current Consumption | Idle: 2-5 mA, Active TX: 8-15 mA, BLE Sleep: 10-50 µA |
| Data Rate | Classic: 1-3 Mbps, BLE: 1-2 Mbps |
| Package Type | SMD Module with castellated or pin headers |
Key Features
- Dual Mode Operation: Simultaneous Bluetooth Classic and BLE support eliminates module redundancy and enables complex multi-protocol IoT architectures without firmware switching overhead
- Low Power Architecture: BLE sleep mode draws only 10-50 microamps, extending battery life in wearables and remote sensors to months or years on coin cell batteries
- Integrated Antenna Design: Pre-matched RF circuitry with onboard antenna provides plug-and-play deployment without complex impedance tuning or external RF components
- Multiple Serial Interfaces: UART, SPI, and I2C support integrate seamlessly with microcontrollers from ARM Cortex-M0 to high-performance processors without interface adaptation circuits
- Advanced Security: AES-128 encryption, Bluetooth SIG authentication, and secure pairing protocols protect sensitive data in healthcare, financial, and industrial applications
- Temperature Stability: Operating range from -20°C to +60°C with frequency compensation ensures reliable performance in automotive, industrial, and outdoor IoT deployments
Applications and Use Cases
- Wearable Fitness Trackers: BLE connectivity to smartphones with simultaneous Classic mode support for legacy fitness equipment and gym machines requiring traditional Bluetooth protocols
- Industrial IoT Sensors: Dual-mode capability enables sensor nodes to report data via BLE mesh networks while maintaining backward compatibility with existing Bluetooth-enabled industrial controllers and gateways
- Smart Home Hubs: Central hub devices can simultaneously manage BLE smart bulbs, door locks, and environmental sensors while connecting to legacy Bluetooth audio systems and remote controls
- Medical Devices: Patient monitoring devices transmit real-time data via BLE to modern health apps while maintaining compatibility with older hospital equipment and wireless scales using Classic Bluetooth
- Automotive Telematics: Vehicle diagnostic modules support both BLE connection to modern smartphone apps and Classic Bluetooth for legacy car audio systems and hands-free calling devices
- Wireless Gaming Controllers: Game peripherals offer BLE low-latency connection to modern consoles while supporting Classic Bluetooth for older gaming systems and PC compatibility
How to Use
To integrate the Me Bluetooth Module - Dual Mode into your embedded system, establish serial communication via UART at 9600-115200 baud rate by connecting RX/TX pins to your microcontroller's UART port. Supply stable 3.3V power through the VCC pin with a 10µF ceramic bypass capacitor placed within 5mm of the power pin to suppress switching noise and ensure RF stability. Configure the module using AT command set for mode selection (Classic, BLE, or Dual), device naming, pairing parameters, and transmit power settings. For BLE applications, implement GATT service profiles using standard Bluetooth SIG specifications or manufacturer-provided libraries; for Classic mode, utilize SPP (Serial Port Profile) for transparent serial communication or HFP (Hands-Free Profile) for audio applications.
Before deployment, verify antenna orientation to maximize signal propagation—keep the antenna unobstructed and maintain minimum 10mm clearance from high-current traces and shielding cans. Perform range testing in your target environment accounting for obstacles, RF interference from WiFi networks, and multipath effects that typically reduce range by 30-50% compared to open-space specifications. Implement proper power management by enabling sleep modes during idle periods to extend battery life; configure connection parameters (connection interval, supervision timeout) based on latency and power trade-offs required by your application. Test security pairing procedures thoroughly in development before production deployment, ensuring PIN codes or Out-of-Band authentication mechanisms meet your security requirements.
Frequently Asked Questions
What is the difference between Dual Mode and BLE-only Bluetooth modules?
Dual Mode modules support both Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE) protocols, allowing simultaneous connections to legacy devices like older phones and audio systems while managing modern BLE sensors and wearables. BLE-only modules consume less power and occupy smaller PCB footprint but cannot communicate with Classic Bluetooth devices, limiting their use in applications requiring backward compatibility. Dual Mode is essential for industrial upgrades, automotive systems, and consumer products that must bridge old and new Bluetooth ecosystems.
Can this module operate in both Classic and BLE modes simultaneously?
Yes, the Me Bluetooth Module - Dual Mode employs time-division multiplexing to manage simultaneous Classic and BLE connections without mode switching. You can maintain an active Classic Bluetooth connection to a legacy device while simultaneously advertising as a BLE peripheral to modern smartphones or managing multiple BLE peripheral connections. This capability is particularly valuable for hub devices, automotive systems, and industrial gateways that must interface with mixed-protocol environments.
What serial interfaces does this module support?
The Me Bluetooth Module - Dual Mode typically supports UART (primary), SPI, and I2C interfaces for communication with host microcontrollers. UART is the most commonly used interface with configurable baud rates from 9600 to 115200 bps. The choice of interface depends on your microcontroller's available ports and application requirements—UART offers simplicity, SPI provides faster data rates for bandwidth-intensive applications, and I2C enables multi-device integration on a single bus.
How long can the battery last in BLE mode?
In BLE mode with optimized connection parameters and sleep modes, the module consumes only 10-50 microamps during idle periods, enabling battery life of several months to over a year depending on application duty cycle. A CR2032 coin cell (220 mAh) can theoretically power the module for 2000+ hours of idle operation. Actual battery life depends on connection interval, data transmission frequency, and transmit power settings—aggressive connection parameters and frequent data transmission reduce battery life proportionally.
What antenna options are available?
The Me Bluetooth Module - Dual Mode includes an integrated onboard antenna optimized for 2.4 GHz ISM band operation, providing 10-100 meter range depending on environment and transmit power. Some variants offer an external antenna connector (SMA or IPEX) for applications requiring extended range or custom antenna solutions. External antennas can improve range by 30-50% in obstructed environments and are recommended for industrial, automotive, and outdoor deployments.
Is this module suitable for medical device applications?
Yes, the Me Bluetooth Module - Dual Mode meets requirements for medical device applications with Bluetooth SIG compliance, AES-128 encryption, and secure pairing mechanisms. However, medical devices typically require additional certifications (FDA, CE marking, IEC 60601 standards) and rigorous testing beyond the module's inherent capabilities. You must implement application-level security, data validation, and clinical validation protocols specific to your medical device classification.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai,
Buy Me Bluetooth Module - Dual Mode Online in India
Purchase the Me Bluetooth Module - Dual Mode online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Me Bluetooth Module - Dual Mode
The Me Bluetooth Module - Dual Mode is a versatile wireless communication module that supports both Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE) protocols, enabling seamless connectivity across legacy and modern IoT devices. Professional engineers and embedded systems developers rely on this module for rapid prototyping of wearables, industrial IoT sensors, home automation systems, and wireless data acquisition applications. This dual-mode capability eliminates the need for separate modules, reducing PCB real estate, power consumption, and overall system cost while maintaining backward compatibility with existing Bluetooth ecosystems.
Product Overview
The Me Bluetooth Module - Dual Mode operates on a robust chipset architecture that integrates a Bluetooth 4.2 or 5.0 compliant radio with an embedded microcontroller, allowing simultaneous operation in both Classic and BLE modes without mode switching delays. The module features integrated antenna design with impedance matching circuitry, ensuring optimal RF performance across the 2.4 GHz ISM band with minimal external component requirements. The dual-mode architecture employs time-division multiplexing to manage simultaneous Classic and BLE connections, making it ideal for applications requiring legacy device compatibility alongside modern low-power sensor networks.
This module excels in mixed-protocol environments where devices must communicate with both traditional Bluetooth speakers, phones, and keyboards while simultaneously managing BLE peripheral connections for wearables and IoT sensors. The integrated power management system includes dynamic frequency scaling and adaptive transmit power control, achieving exceptional battery life in portable applications. Built-in security features encompass AES-128 encryption, authentication protocols, and secure pairing mechanisms compliant with Bluetooth SIG specifications, making it suitable for medical devices, financial IoT applications, and secure industrial control systems.
Key Specifications
| Specification | Details |
| Product Type | Dual Mode Bluetooth Module (BR/EDR + BLE) |
| Brand | Me/Generic OEM |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Bluetooth Version | Bluetooth 4.2 or 5.0 Dual Mode |
| Operating Frequency | 2.4 GHz ISM Band |
| Transmission Power | +4 dBm to +20 dBm (adjustable) |
| Range | 10-100 meters (depending on antenna and power settings) |
| Interface | UART/SPI/I2C serial communication |
| Operating Voltage | 3.0V to 3.6V DC |
| Current Consumption | Idle: 2-5 mA, Active TX: 8-15 mA, BLE Sleep: 10-50 µA |
| Data Rate | Classic: 1-3 Mbps, BLE: 1-2 Mbps |
| Package Type | SMD Module with castellated or pin headers |
Key Features
- Dual Mode Operation: Simultaneous Bluetooth Classic and BLE support eliminates module redundancy and enables complex multi-protocol IoT architectures without firmware switching overhead
- Low Power Architecture: BLE sleep mode draws only 10-50 microamps, extending battery life in wearables and remote sensors to months or years on coin cell batteries
- Integrated Antenna Design: Pre-matched RF circuitry with onboard antenna provides plug-and-play deployment without complex impedance tuning or external RF components
- Multiple Serial Interfaces: UART, SPI, and I2C support integrate seamlessly with microcontrollers from ARM Cortex-M0 to high-performance processors without interface adaptation circuits
- Advanced Security: AES-128 encryption, Bluetooth SIG authentication, and secure pairing protocols protect sensitive data in healthcare, financial, and industrial applications
- Temperature Stability: Operating range from -20°C to +60°C with frequency compensation ensures reliable performance in automotive, industrial, and outdoor IoT deployments
Applications and Use Cases
- Wearable Fitness Trackers: BLE connectivity to smartphones with simultaneous Classic mode support for legacy fitness equipment and gym machines requiring traditional Bluetooth protocols
- Industrial IoT Sensors: Dual-mode capability enables sensor nodes to report data via BLE mesh networks while maintaining backward compatibility with existing Bluetooth-enabled industrial controllers and gateways
- Smart Home Hubs: Central hub devices can simultaneously manage BLE smart bulbs, door locks, and environmental sensors while connecting to legacy Bluetooth audio systems and remote controls
- Medical Devices: Patient monitoring devices transmit real-time data via BLE to modern health apps while maintaining compatibility with older hospital equipment and wireless scales using Classic Bluetooth
- Automotive Telematics: Vehicle diagnostic modules support both BLE connection to modern smartphone apps and Classic Bluetooth for legacy car audio systems and hands-free calling devices
- Wireless Gaming Controllers: Game peripherals offer BLE low-latency connection to modern consoles while supporting Classic Bluetooth for older gaming systems and PC compatibility
How to Use
To integrate the Me Bluetooth Module - Dual Mode into your embedded system, establish serial communication via UART at 9600-115200 baud rate by connecting RX/TX pins to your microcontroller's UART port. Supply stable 3.3V power through the VCC pin with a 10µF ceramic bypass capacitor placed within 5mm of the power pin to suppress switching noise and ensure RF stability. Configure the module using AT command set for mode selection (Classic, BLE, or Dual), device naming, pairing parameters, and transmit power settings. For BLE applications, implement GATT service profiles using standard Bluetooth SIG specifications or manufacturer-provided libraries; for Classic mode, utilize SPP (Serial Port Profile) for transparent serial communication or HFP (Hands-Free Profile) for audio applications.
Before deployment, verify antenna orientation to maximize signal propagation—keep the antenna unobstructed and maintain minimum 10mm clearance from high-current traces and shielding cans. Perform range testing in your target environment accounting for obstacles, RF interference from WiFi networks, and multipath effects that typically reduce range by 30-50% compared to open-space specifications. Implement proper power management by enabling sleep modes during idle periods to extend battery life; configure connection parameters (connection interval, supervision timeout) based on latency and power trade-offs required by your application. Test security pairing procedures thoroughly in development before production deployment, ensuring PIN codes or Out-of-Band authentication mechanisms meet your security requirements.
Frequently Asked Questions
What is the difference between Dual Mode and BLE-only Bluetooth modules?
Dual Mode modules support both Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE) protocols, allowing simultaneous connections to legacy devices like older phones and audio systems while managing modern BLE sensors and wearables. BLE-only modules consume less power and occupy smaller PCB footprint but cannot communicate with Classic Bluetooth devices, limiting their use in applications requiring backward compatibility. Dual Mode is essential for industrial upgrades, automotive systems, and consumer products that must bridge old and new Bluetooth ecosystems.
Can this module operate in both Classic and BLE modes simultaneously?
Yes, the Me Bluetooth Module - Dual Mode employs time-division multiplexing to manage simultaneous Classic and BLE connections without mode switching. You can maintain an active Classic Bluetooth connection to a legacy device while simultaneously advertising as a BLE peripheral to modern smartphones or managing multiple BLE peripheral connections. This capability is particularly valuable for hub devices, automotive systems, and industrial gateways that must interface with mixed-protocol environments.
What serial interfaces does this module support?
The Me Bluetooth Module - Dual Mode typically supports UART (primary), SPI, and I2C interfaces for communication with host microcontrollers. UART is the most commonly used interface with configurable baud rates from 9600 to 115200 bps. The choice of interface depends on your microcontroller's available ports and application requirements—UART offers simplicity, SPI provides faster data rates for bandwidth-intensive applications, and I2C enables multi-device integration on a single bus.
How long can the battery last in BLE mode?
In BLE mode with optimized connection parameters and sleep modes, the module consumes only 10-50 microamps during idle periods, enabling battery life of several months to over a year depending on application duty cycle. A CR2032 coin cell (220 mAh) can theoretically power the module for 2000+ hours of idle operation. Actual battery life depends on connection interval, data transmission frequency, and transmit power settings—aggressive connection parameters and frequent data transmission reduce battery life proportionally.
What antenna options are available?
The Me Bluetooth Module - Dual Mode includes an integrated onboard antenna optimized for 2.4 GHz ISM band operation, providing 10-100 meter range depending on environment and transmit power. Some variants offer an external antenna connector (SMA or IPEX) for applications requiring extended range or custom antenna solutions. External antennas can improve range by 30-50% in obstructed environments and are recommended for industrial, automotive, and outdoor deployments.
Is this module suitable for medical device applications?
Yes, the Me Bluetooth Module - Dual Mode meets requirements for medical device applications with Bluetooth SIG compliance, AES-128 encryption, and secure pairing mechanisms. However, medical devices typically require additional certifications (FDA, CE marking, IEC 60601 standards) and rigorous testing beyond the module's inherent capabilities. You must implement application-level security, data validation, and clinical validation protocols specific to your medical device classification.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai,
Buy Me Bluetooth Module - Dual Mode Online in India
Purchase the Me Bluetooth Module - Dual Mode online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.