{"product_id":"microchip-rn4870u-v-rm118-bluetooth-module-ble-4-2","title":"MICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2","description":"\u003cmeta name=\"description\" content=\"Buy MICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2 online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eMICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2\u003c\/h1\u003e\n\n\u003cp\u003eThe MICROCHIP RN4870U-V\/RM118 is a compact Bluetooth Low Energy 4.2 module engineered for wireless IoT applications, wearables, and embedded systems requiring ultra-low power consumption. Professional electronics engineers, IoT developers, and embedded systems designers rely on this module to establish reliable short-range wireless connectivity in battery-powered applications. This module solves the critical challenge of integrating certified Bluetooth 4.2 functionality into compact form factors while maintaining exceptional power efficiency and reducing time-to-market for connected device development.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe RN4870U-V\/RM118 is a fully integrated Bluetooth Low Energy 4.2 module that combines a high-performance RF transceiver, baseband processor, and complete protocol stack in a single 24-pin surface-mount package. The module operates on a 3.3V supply and implements Microchip's proprietary power management architecture, achieving sub-microamp sleep currents and optimized transmission power profiles. The integrated antenna design eliminates the need for external RF components, simplifying PCB layout and reducing bill-of-materials costs. Advanced features include configurable transmit power up to 4 dBm, support for multiple concurrent connections, and firmware-based security implementation with AES-128 encryption capabilities.\u003c\/p\u003e\n\n\u003cp\u003eThis module excels in applications requiring extended battery life, offering typical operating currents of 8-12 mA during active transmission and sub-1 microamp standby consumption. The RN4870U-V\/RM118 supports both central and peripheral roles, enabling flexible network topologies for mesh networking, point-to-point communication, and master-slave configurations. The UART interface provides straightforward integration with microcontrollers, while the firmware supports transparent data mode for rapid prototyping. Microchip's comprehensive development ecosystem includes reference designs, evaluation boards, and extensive documentation, making this module ideal for rapid product development cycles.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBluetooth Low Energy 4.2 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMicrochip Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd\u003eBluetooth 4.2 Low Energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003e24-pin QFN Surface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmit Power\u003c\/td\u003e\n\u003ctd\u003eConfigurable up to 4 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e8-12 mA (active), less than 1 microamp (sleep)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUART, GPIO, SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003eUp to 100 meters in open space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth 4.2 Low Energy certified module with integrated RF transceiver and complete protocol stack for rapid wireless integration\u003c\/li\u003e\n\u003cli\u003eUltra-low power consumption with sub-microamp sleep mode enabling multi-year battery life in coin-cell powered applications\u003c\/li\u003e\n\u003cli\u003eIntegrated antenna design with optimized impedance matching eliminating external RF components and reducing PCB complexity\u003c\/li\u003e\n\u003cli\u003eFlexible role support for both central and peripheral operation enabling master-slave, point-to-point, and mesh network topologies\u003c\/li\u003e\n\u003cli\u003eUART interface with configurable baud rates simplifying integration with 8-bit and 32-bit microcontroller platforms\u003c\/li\u003e\n\u003cli\u003eAES-128 encryption and authentication support for secure wireless communication in medical and IoT applications\u003c\/li\u003e\n\u003cli\u003eConfigurable transmit power levels from -20 dBm to 4 dBm optimizing range versus power consumption tradeoffs\u003c\/li\u003e\n\u003cli\u003eMultiple concurrent connection support enabling complex multi-node wireless network architectures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWearable fitness trackers and health monitoring devices requiring extended battery life and compact form factor with real-time data transmission to smartphones\u003c\/li\u003e\n\u003cli\u003eIndustrial IoT sensor nodes for temperature, humidity, and pressure monitoring in remote locations where battery replacement intervals must exceed 12 months\u003c\/li\u003e\n\u003cli\u003eSmart home automation devices including wireless door locks, occupancy sensors, and lighting controllers requiring reliable mesh network connectivity\u003c\/li\u003e\n\u003cli\u003eMedical alert systems and personal emergency response devices requiring certified Bluetooth connectivity with AES-128 encryption for HIPAA compliance\u003c\/li\u003e\n\u003cli\u003eAsset tracking systems for inventory management in warehouses and logistics using BLE beacons with extended transmission range\u003c\/li\u003e\n\u003cli\u003eWireless remote controls and HID devices for consumer electronics requiring minimal latency and power consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eThe RN4870U-V\/RM118 module integrates into your embedded system via a UART serial interface operating at 115200 baud by default. Begin by connecting the module's power supply pins to a clean 3.3V regulated source with 10 microfarad bulk capacitance and 0.1 microfarad bypass capacitors placed within 5mm of the supply pins. Route the UART TX and RX lines to your microcontroller with appropriate level shifting if your processor operates at 5V logic levels. The module enters command mode through the UART interface, allowing configuration of device name, transmit power, security parameters, and connection behavior via ASCII command strings. Load the provided firmware image using Microchip's programming tools or evaluate the module using transparent data mode for immediate wireless communication testing.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, implement a reset circuit using the module's reset pin with a 100 millisecond power-on delay to ensure stable initialization. Place the antenna trace away from high-current signal traces and ground planes to maintain RF performance. Configure GPIO pins for status indication, allowing your application to monitor connection state and power management events. Test your application with Microchip's BLE mobile application or third-party BLE scanning tools to verify advertisement packets and connection establishment. Implement proper power management by transitioning the module to sleep mode during idle periods, reducing average current consumption by up to 99 percent in battery-powered applications.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum transmission range of the RN4870U-V\/RM118 module?\u003c\/summary\u003e\n\u003cp\u003eThe module achieves approximately 100 meters line-of-sight range in open space at maximum transmit power of 4 dBm. Actual range depends on antenna orientation, environmental obstacles, interference sources, and receiver sensitivity. In typical indoor environments with walls and obstacles, expect 20-30 meters effective range. The configurable transmit power allows reduction to -20 dBm for short-range applications, proportionally reducing range to conserve power.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I configure the module for my specific application requirements?\u003c\/summary\u003e\n\u003cp\u003eThe RN4870U-V\/RM118 supports configuration through ASCII command strings sent via the UART interface. Commands control device name, transmit power, security settings, connection parameters, and GPIO behavior. Enter command mode by asserting the CMD pin high, then send configuration commands followed by carriage return characters. Store configuration in non-volatile memory using the SAVE command to persist settings across power cycles. Microchip provides comprehensive command documentation and example firmware demonstrating all configuration options.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat power supply requirements and filtering are necessary for reliable operation?\u003c\/summary\u003e\n\u003cp\u003eThe module requires a clean 3.3V regulated power supply capable of delivering 50 milliamps peak current during RF transmission. Implement power supply filtering with a 10 microfarad electrolytic capacitor for bulk energy storage and a 0.1 microfarad ceramic capacitor for high-frequency noise suppression, both placed within 5mm of the module's power pins. Use a dedicated voltage regulator with at least 500 milliamp capacity to avoid voltage sag during transmission peaks. Route power and ground traces with minimum impedance, using multiple vias to connect to ground planes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the module support encryption and secure communication?\u003c\/summary\u003e\n\u003cp\u003eYes, the RN4870U-V\/RM118 implements AES-128 encryption and authentication protocols compliant with Bluetooth 4.2 security specifications. The module supports pairing with bonding, allowing secure connection establishment and encrypted data transmission. Configure security parameters through firmware commands to enable authentication, encryption, or both depending on application requirements. The module handles encryption transparently at the link layer, allowing your application to transmit unencrypted data through the UART interface while the module automatically encrypts wireless transmission.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy MICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the MICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2 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. Get the best price on MICROCHIP RN4870U-V\/RM118 BLUETOOTH MODULE, BLE 4.2 with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43847479099555,"sku":"TES-EV00006463","price":1269.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1731067-01-314x252.jpg?v=1703854850","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/microchip-rn4870u-v-rm118-bluetooth-module-ble-4-2","provider":"The Engineer Store","version":"1.0","type":"link"}