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RN42-I/RM

Bluetooth 2.1+EDR Class 2 module, 20m range, SPP/HID, UART interface

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Manufacturer Part：

RN42-I/RM

Package：

Module (13.1x25.7x2.2mm)

Brand：
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Description

Product Overview

The RN42-I/RM from Microchip is a Class 2 Bluetooth 2.1+EDR module with 20m range. Features SPP and HID profiles, simple UART interface, integrated antenna, and complete Bluetooth stack for easy wireless integration.

Key Specifications

Bluetooth 2.1+EDR Class 2
Range Up to 20m
Interface UART 921.6kbps
Profiles SPP, HID
Supply 3.3V
TX Power +4dBm
Temp -40~85C

Features

  • Class 2 Bluetooth 20m range
  • Complete embedded stack
  • Integrated chip antenna
  • FCC/CE/IC certified
  • Low power modes

Applications

  • Wireless serial cable replacement
  • Medical device connectivity
  • Industrial data logging
  • HID devices (keyboard, mouse)

The RN42-I/RM from Microchip is a Class 2 Bluetooth 2.1+EDR module with 20m range. Features SPP and HID profiles, simple UART interface, integrated antenna, and complete Bluetooth stack for easy wireless integration.

Complete Bluetooth stack runs internally. Host communicates via UART AT commands. Module manages discovery, pairing, and link maintenance autonomously.

Pin Name Function
5 TX UART TX
6 RX UART RX
7 VDD 3.3V
8 GND Ground
  • Wireless serial cable replacement
  • Medical device connectivity
  • Industrial data logging
  • HID devices (keyboard, mouse)
    • Model Brand Diff
    RN42-I/RM630 Microchip Class 1 300m
    RN4677 Microchip BT4.2 dual mode
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    Quality Assurance

    Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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    2. Strict Full-batch Quality Inspection

    We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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    Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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    If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

     

    Email: info@materialparts.com
    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

     

    Shipping & Payment

    Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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      US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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      We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    5. Local Pickup in Shenzhen

    Local pickup service is available for customers in Shenzhen and surrounding areas:
    • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
    • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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    Contact Information

    Email: info@materialparts.com

    Tel / WhatsApp: +86 13760382860

    Service & Packaging

    Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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    2. Genuine Product Guarantee & Full-process Quality Inspection

    All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

    3. Fast Quotation & Order Processing

    Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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    6. Global Logistics & Document Services

    We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

    Professional Packaging Standards

    Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

    1. General Packaging Specifications

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    • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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    We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

    Contact Information

    For service consultation or packaging customization, please feel free to contact us:
    Email: info@materialparts.com
    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
     

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