WIFI+BT IoT - 3 in 1 Module

RFPW1BI-A5822

A highly integrated 2.4G 802.11b/g/n single-chip, Bluetooth 5.1 with low power consumption which ideal for IoT applications. It integrates a ARM MCU with WLAN MAC, RF & Baseband, configurable GPIOs and a network UART interface controller.

Features:
Single supply of 3.3V
Simple SMD mounting with UART Interface
Embedded 352KB RAM & 2MB Flash
Dimension (mm) ：18x20x2.9
Operating Temperature -20~＋85℃
Application : Smart Home Appliances, Smart Lightings, Wearables, Smart Power Grids, Smart Home White Goods, etc

Product Overview

The 2.4G 802.11b/g/n Wi-Fi + Bluetooth 5.1 Module is a highly integrated single-chip solution designed for IoT applications, offering low power consumption. This module integrates an ARM MCU, WLAN MAC, RF, and baseband, along with configurable GPIOs and a UART interface. With embedded 352KB RAM and 2MB Flash, it provides efficient wireless communication for smart home appliances, wearables, and other IoT devices, all in a compact form factor optimized for power-sensitive applications.

Key Features

  • Wi-Fi Standard: IEEE 802.11b/g/n (2.4GHz) for robust and reliable wireless communication.
  • Bluetooth 5.1: Provides Bluetooth 5.1 support for seamless device connectivity.
  • ARM MCU: Integrated ARM processor for efficient task execution and data processing.
  • Low Power Consumption: Designed for battery-operated IoT devices, providing extended battery life.
  • Embedded Memory: 352KB RAM and 2MB Flash for storing and processing data.
  • Single 3.3V Supply: Simplifies power management with efficient energy usage.
  • Simple SMD Mounting with UART Interface: Easy integration into existing systems via UART communication.
  • Compact Design: Dimensions of 18mm x 20mm x 2.9mm, suitable for space-constrained applications.
  • Wide Operating Temperature: Works in a wide temperature range of -20°C to +85°C, making it versatile for various environmental conditions.

Applications

  • Smart Home Appliances: Seamless integration with home automation systems for controlling devices.
  • Smart Lighting Systems: Efficient and low-power connectivity for smart lighting solutions.
  • Wearables: Perfect for energy-efficient wearables needing reliable wireless connectivity.
  • Smart Power Grids: Ideal for communication within smart grid infrastructure.
  • Smart Home White Goods: Enhances functionality in connected kitchen and home appliances.

This module provides an all-in-one solution for IoT applications, delivering reliable dual connectivity (Wi-Fi and Bluetooth) with low power consumption and ease of integration.

Technical Specifications 

General

  • Wi-Fi Standard: IEEE 802.11b/g/n (2.4GHz)
  • Bluetooth Version: Bluetooth 5.1
  • Interface: UART
  • Power Supply: Single 3.3V supply
  • Dimensions: 18mm x 20mm x 2.9mm

Performance

  • Maximum Throughput: Up to 72Mbps (802.11n)
  • Wi-Fi Range: Up to 100 meters (depending on environmental conditions and antenna configuration).
  • Bluetooth Range: Up to 50 meters (depending on the device and environment).

Memory

  • RAM: 352KB
  • Flash: 2MB

Power Consumption

  • Low Power Consumption: Suitable for battery-powered IoT applications, extending battery life.
  • Power Modes: Supports both active and low-power sleep modes.

Environmental

  • Operating Temperature: -20°C to +85°C
  • Storage Temperature: -40°C to +125°C

Interface

  • UART Interface for communication with external devices.

Block Diagram Description

  1. WLAN MAC

    • Responsible for data link layer functions like error correction, data packet transmission, and reception.

  2. WLAN RF & Baseband

    • Handles 2.4GHz Wi-Fi communication, providing optimal wireless signal transmission and reception.

  3. Bluetooth 5.1 Controller

    • Enables Bluetooth 5.1 functionality for wireless device pairing and communication.

  4. ARM MCU

    • Processes tasks and manages data flow between the wireless interfaces and external devices.

  5. UART Interface Controller

    • Handles UART communication for easy integration with external systems or devices.

  6. Memory

    • 352KB RAM: For temporary data storage during operation.
    • 2MB Flash: For storing firmware and application data.

  7. Power Management Unit

    • Optimizes power usage, ensuring efficient energy consumption for extended device operation.

  8. Antenna Interface

    • Interfaces with external antennas for enhanced wireless signal strength and range.

For more information, contact RF Point.

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