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Bluetooth Modules
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
  • Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module
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Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module

  • 1 - 99 Pieces
    $12.60
    $14
  • 100 - 999 Pieces
    $10.80
    $12
  • 1000 - 9999 Pieces
    $8.10
    $9
  • >= 10000 Pieces
    $6.30
    $7

Customization:

Graphic customization（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Customized logo（Min.Order: 100 pieces）
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Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Real-Time Intercom & Mobile Communication: Enables seamless voice communication and data transfer via Bluetooth 5.2, supporting real-time intercom systems and mobile device integration.
  • Wireless Audio Broadcasting: Designed for real-time audio transmission, ideal for broadcasting advertisements in retail environments or public spaces.

Key features

  • 1. Material Technology

    • With RoHS-compliant materials, you can ensure environmental safety and reduce health risks compared to non-compliant modules*.

  • 2. Interactive Design

    • With multi-protocol support (SPI/UART), you can customize communication interfaces for diverse IoT applications compared to single-protocol modules*.

  • 3. Performance Parameters

    • With the Nordic nRF52840 chipset, you can achieve 2.4GHz high-speed data transmission, up to 25% faster than Bluetooth 4.2 modules*.

  • 4. Scenario Solutions

    • With real-time intercom and mobile communication, you can deploy in smart advertising systems for instant audience engagement compared to static solutions*.

  • 5. Certification Standards

    • With FCC, CE, and BQB certifications, you can ensure global regulatory compliance and interoperability with certified Bluetooth devices*.

Product details

Holyiot Wireless Transceiver Bluetooth Module Real Time Intercom Mobile Communication Wireless Audio Module

The Holyiot Wireless Transceiver Bluetooth Module is a compact IoT-ready solution designed for real-time intercom and mobile communication applications. With certifications like RoHS, FCC, CE, and BQB, it ensures global compliance and reliability. Powered by the Nordic nRF52840 chipset, it delivers robust 2.4GHz wireless performance through SPI and UART interfaces, ideal for broadcasting advertisements and integrating into smart devices.

Technical specifications

FeatureSpecificationApplication Scenario
ChipsetNordic nRF52840Real-time intercom, multi-protocol IoT systems
CertificationsRoHS, FCC, CE, BQBGlobal deployment in regulated industries
Communication2.4GHz Bluetooth 5.2, SPI/UARTLow-latency audio streaming, device connectivity
DesignModular, green PCB with USB connectorsEasy integration into space-constrained devices

Customization guide

Adjustable parameters include transmission power output (for extended range) and antenna configuration (to reduce interference). Customize firmware settings to optimize for specific broadcast frequencies or power-saving modes.

Get inspired

Transform your IoT projects with Holyiot’s versatile wireless module. Whether you need real-time intercom for smart retail signage or mobile audio solutions for event management, its modular design and multi-protocol support make it a flexible backbone for innovative applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Range30m (Line of Sight)+50% (45m)+100% (60m)*
Latency15ms10ms5ms**
CertificationsFCC, CE+RoHSAll (RoHS/FCC/CE/BQB)
Power EfficiencyStandardLow-power modeUltra-low power

Supplier's note

  1. Technical Breakthroughs:

    • Nordic nRF52840 Chipset: Enables simultaneous Bluetooth 5.2 and multi-protocol support, reducing hardware complexity.
    • BQB Certification: Guarantees interoperability with all Bluetooth devices, critical for broadcast reliability.
    • Modular Design: Reduces integration time by 40% compared to custom PCB solutions.

  2. Version Selection Guide:

    • Base Model: Ideal for basic IoT applications like indoor beacon systems or low-range audio alerts.
    • Advanced Model: Perfect for medium-range use cases like retail kiosks or smart home hubs needing extended coverage.
    • Pro Model: Best for mission-critical applications like real-time intercom systems or industrial IoT networks requiring ultra-low latency (e.g., emergency communication). With its 5ms latency, the Pro version outperforms industry benchmarks by 67%, ensuring crisp audio transmission even in crowded RF environments.

*Range improvement tested in open-field conditions. **Latency reduction validated against traditional Bluetooth 4.2 modules.

Frequently asked questions

  • Which Holyiot Bluetooth module is best for real-time intercom in retail stores?

  • How to ensure optimal performance of the Holyiot Bluetooth module in high-traffic areas?

  • Why choose Nordic nRF52840 over other chipsets for IoT applications?

  • Can the Holyiot module be customized for specific IoT applications?

  • Does the Holyiot module meet FCC and CE standards for commercial use?

  • Which Holyiot Bluetooth module suits 2.4GHz frequency for mobile communication?

  • Is the module Bluetooth Qualified (BQB) certified for reliable connectivity?

  • How does the SPI/UART interface enhance the Holyiot module’s versatility?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Certification ComplianceGlobal deployments, regulated industriesRoHS, FCC, CE, BQB certifications (ensuring global regulatory compliance)▲▲▲ Fully compliant with EU/US standards (no additional certifications needed)Higher upfront cost due to rigorous testing requirements
Chipset PerformanceReal-time IoT applications (e.g., intercom)Nordic nRF52840 (64MHz ARM Cortex-M4, 1MB Flash) (2x faster than 32MHz industry standard)▲▲ High processing power for simultaneous data tasks (e.g., audio streaming)Slightly higher power consumption vs. basic chipsets
Communication ProtocolsMulti-protocol IoT systemsDual-mode Bluetooth 5.0 + SPI/UART interfaces (supports mesh networking)▲▲ Supports complex setups (e.g., smart home hubs)Requires advanced firmware for multi-protocol management
Frequency RangeDense wireless environments (e.g., offices)2.4GHz ISM band (industry standard)Seamless compatibility with Wi-Fi/Bluetooth devicesSusceptible to interference in crowded RF spaces
Power EfficiencyBattery-operated devices (e.g., wearables)9mA active power (50% lower than industry average at 18mA)▲▲ Long battery life for portable IoT devicesLimited for high-power applications requiring rapid data transfer
Integration CapabilitiesCustom IoT hardware developmentModular design with 20+ GPIO pins (expandable via SPI/UART)▲▲ Easy scalability for sensor arrays or peripheral devicesSteeper learning curve for non-specialist developers

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