{"product_id":"hm-bt4502-bluetooth-low-energy-ble-pass-through-module-wireless-communication-module-for-iot-projects","title":"HM-BT4502 Bluetooth Low Energy BLE Pass-Through Module Wireless Communication Module for IoT Projects - Buy Online in India","description":"\u003ch2\u003eDescription:\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe HM-BT4502 \/ HM-BT4502A Bluetooth Low Energy (BLE) 5.0 Module is a compact wireless communication module designed for fast and reliable data transfer in IoT, embedded systems, and microcontroller-based projects. Powered by the CMT4502 chip, this BLE module provides a convenient way to add Bluetooth wireless communication to compatible electronic devices without requiring extensive Bluetooth stack programming experience.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for easy integration with MCUs and serial communication systems, the HM-BT4502 uses a universal serial port interface for full-duplex two-way communication. This makes it suitable for applications where a microcontroller needs to exchange data wirelessly with smartphones, computers, sensors, controllers, and other Bluetooth-enabled devices.\u003c\/p\u003e\n\u003cp\u003eThe module operates from a 1.8V to 3.6V DC supply and supports a wide operating temperature range of -20°C to +85°C, making it suitable for a variety of embedded and IoT environments. It uses GFSK modulation within the 2.4GHz Bluetooth frequency range of 2402MHz to 2480MHz.\u003c\/p\u003e\n\u003cp\u003eWith support for 2M symbol transmission and packet transmission of up to 244 bytes, the HM-BT4502 offers efficient wireless data communication. Its default connection interval of 30 milliseconds enables fast connection performance for responsive applications.\u003c\/p\u003e\n\u003cp\u003eThe module also supports AT commands, allowing users to perform functions such as software reset, MAC address retrieval, Bluetooth connection interval configuration, and forwarding-rate control. Its dynamic power adjustment capability provides additional flexibility when configuring wireless communication performance.\u003c\/p\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Model\u003c\/td\u003e\n\u003ctd\u003eHM-BT4502 \/ HM-BT4502A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Type\u003c\/td\u003e\n\u003ctd\u003eHM Series Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd\u003eBluetooth Low Energy 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Chip\u003c\/td\u003e\n\u003ctd\u003eCMT4502\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e1.8V–3.6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e1.8V–3.6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModulation Mode\u003c\/td\u003e\n\u003ctd\u003eGFSK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e2402MHz–2480MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX Power\u003c\/td\u003e\n\u003ctd\u003e+8dBm to +20dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRX Sensitivity\u003c\/td\u003e\n\u003ctd\u003e-97dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eUniversal Serial Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Type\u003c\/td\u003e\n\u003ctd\u003eFull-Duplex Two-Way Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Baud Rate\u003c\/td\u003e\n\u003ctd\u003e9600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault Connection Interval\u003c\/td\u003e\n\u003ctd\u003e30ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSymbol Transmission\u003c\/td\u003e\n\u003ctd\u003e2M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Packet Transmission\u003c\/td\u003e\n\u003ctd\u003e244 Bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAT Command Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth Low Energy 5.0: Provides efficient wireless communication for compatible IoT and embedded applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eCMT4502 Chip: Uses the CMT4502 chipset for Bluetooth Low Energy wireless data transfer.\u003c\/li\u003e\n\u003cli\u003eEasy MCU Integration: Designed for convenient connection with microcontrollers through a universal serial interface.\u003c\/li\u003e\n\u003cli\u003eFull-Duplex Communication: Supports two-way data communication through the serial interface.\u003c\/li\u003e\n\u003cli\u003eLow-Voltage Operation: Works with a 1.8V–3.6V DC supply for suitable low-voltage electronic systems.\u003c\/li\u003e\n\u003cli\u003eFast Connection: Default connection interval of approximately 30ms enables responsive wireless communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIoT Projects: Suitable for adding Bluetooth Low Energy wireless communication to IoT devices, smart systems, and connected electronics.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eArduino \u0026amp; Microcontroller Projects: Can be integrated with compatible MCUs for wireless serial data communication and remote control applications.\u003c\/li\u003e\n\u003cli\u003eWireless Sensor Systems: Useful for transferring sensor data wirelessly between embedded devices and Bluetooth-enabled equipment.\u003c\/li\u003e\n\u003cli\u003eSmart Home Automation: Suitable for wireless communication in home automation controllers, monitoring systems, and smart electronic devices.\u003c\/li\u003e\n\u003cli\u003eIndustrial Automation: Can be used in embedded control systems, wireless monitoring equipment, and automation projects requiring BLE connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety Precautions:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the supply voltage is within the specified 1.8V–3.6V DC range before powering the module.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDo not connect the module directly to a voltage source higher than its rated operating voltage.\u003c\/li\u003e\n\u003cli\u003eCheck the polarity and wiring of the power and serial communication connections before use.\u003c\/li\u003e\n\u003cli\u003eEnsure that the connected MCU or controller uses compatible voltage levels for the module interface.\u003c\/li\u003e\n\u003cli\u003eAvoid short-circuiting the power supply or signal pins during installation and testing.\u003c\/li\u003e\n\u003cli\u003eDo not expose the module to water, excessive moisture, dust, or conductive materials.\u003c\/li\u003e\n\u003cli\u003eOperate the module within the specified -20°C to +85°C temperature range.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive physical force, bending, or mechanical stress on the PCB and connection pins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions ( FAQs )\u003c\/h2\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003e1. What is the HM-BT4502 Bluetooth BLE module used for?\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe HM-BT4502 Bluetooth Low Energy 5.0 Module is designed to add wireless Bluetooth communication to compatible microcontrollers, IoT devices, sensors, robotics projects, and embedded systems. It provides a convenient serial communication interface that allows electronic devices to exchange data wirelessly with compatible Bluetooth-enabled devices. It is particularly useful for projects where developers want to implement BLE communication without designing a complete Bluetooth stack from the beginning.\u003c\/p\u003e\n\u003ch3\u003e2. Can the HM-BT4502 be connected directly to an Arduino or microcontroller?\u003c\/h3\u003e\n\u003cp\u003eThe HM-BT4502 is designed for integration with compatible microcontrollers and MCU-based systems through its universal serial interface. Before connecting it to an Arduino or another controller, users should verify the required supply voltage and ensure that the communication signal levels are compatible. Proper wiring of the power, ground, transmit, and receive connections is important for reliable communication and to prevent damage to the module.\u003c\/p\u003e\n\u003ch3\u003e3. What is the operating voltage and temperature range of the HM-BT4502?\u003c\/h3\u003e\n\u003cp\u003eThe module operates from a 1.8V to 3.6V DC supply and is specified for an operating temperature range of -20°C to +85°C. A stable and regulated power supply should be used during operation. Supplying a voltage above the specified range may damage the Bluetooth module. For reliable performance, the module should also be operated within its specified temperature limits and protected from excessive heat and moisture.\u003c\/p\u003e\n\u003ch3\u003e4. Does the HM-BT4502 support AT commands?\u003c\/h3\u003e\n\u003cp\u003eYes, the HM-BT4502 supports AT command configuration and control. AT commands can be used for functions such as software reset and retrieving the Bluetooth MAC address. The module also supports commands for configuring the Bluetooth connection interval and controlling forwarding rates through dynamic power adjustment. This provides developers with additional flexibility when configuring the module for specific wireless communication requirements.\u003c\/p\u003e\n\u003ch3\u003e5. What types of projects can use the HM-BT4502 BLE module?\u003c\/h3\u003e\n\u003cp\u003eThe HM-BT4502 can be used in a wide range of Bluetooth Low Energy and IoT applications, including Arduino projects, wireless sensor systems, robotics, smart home automation, embedded devices, industrial monitoring, and custom electronic products. Its serial communication interface makes it suitable for applications where a microcontroller needs to exchange data wirelessly with a compatible Bluetooth-enabled device. Always confirm the module's voltage, interface, and communication requirements before integrating it into a project.\u003c\/p\u003e\n\u003ch2\u003ePackage Included:\u003c\/h2\u003e\n\u003cp\u003e1X HM-BT4502 Bluetooth Low Energy BLE Pass-Through Module Wireless Communication Module for IoT Projects\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWHY PURCHASE FROM FIFTRONICS ? \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔️ 100% Tested \u0026amp; Reliable Products - Every product is carefully checked for quality and performance\u003cbr\u003e✔️ Fast \u0026amp; Secure Delivery Across India - Quick dispatch with safe packaging\u003cbr\u003e✔️ Trusted Electronics \u0026amp; Robotics Store - Preferred choice for DIY enthusiasts, students, engineers and Industrial Supply\u003cbr\u003e✔️ Guaranteed Best Prices on Bulk Quantity - Competitive pricing with special discounts on bulk orders\u003cbr\u003e✔️ Wide Range of Products - Everything you need for IoT, robotics, and electronics projects\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":48047739240626,"sku":"FA79018","price":499.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/0588\/3570\/files\/5_396b91cc-39fc-48c7-92f2-ff9d6b14a927.png?v=1789381283","url":"https:\/\/fiftronics.com\/products\/hm-bt4502-bluetooth-low-energy-ble-pass-through-module-wireless-communication-module-for-iot-projects","provider":"FIFTRONICS","version":"1.0","type":"link"}