MDWBRCU1 转接板规格书

更新时间:2024-04-15 03:24:11下载pdf


MDWBRCU1 是由杭州涂鸦信息技术有限公司开发的一款嵌入式 Wi-Fi + 蓝牙低功耗转接板。它由一个高集成度的无线射频芯片 RTL8720CF 构成,内置了 Wi-Fi 网络协议栈和丰富的库函数。MDWBRCU1 还包含低功耗的 KM4 MCU,WLAN MAC,1T1R WLAN,最高主频 100MHz,内置 256K SRAM,芯片内置 2Mbyte flash 和丰富的外设资源。
MDWBRCU1 是一个 RTOS 平台,集成了所有 Wi-Fi MAC 以及 TCP/IP 协议的函数库。用户可以基于这些开发满足自己需求的嵌入式 Wi-Fi 产品。


  • 内置低功耗 KM4 MCU,主频 100MHz,可以兼作应用处理器。

  • Wi-Fi/BT 连通性

    • 802.11 B/G/N20
    • 通道 1-14@2.4GHz(CH1-11 for US/CA, CH1-13 for EU/CN)
    • 支持 WEP/WPA/WPA2/WPA2 PSK(AES) 安全模式
    • 支持 Bluetooth 4.2 Low Energy
    • 802.11b 模式下 +20dBm 的输出功率
    • 支持 SmartConfig 功能(包括 Android 和 iOS 设备)
  • 板载 PCB Onboard 天线

  • 通过 CE 和 FCC 认证

  • 工作温度:-20℃ 到 85℃


  • 智能楼宇
  • 智慧家居、家电
  • 智能插座、智慧灯
  • 工业无线控制
  • 婴儿监控器
  • 网络摄像头
  • 智能公交



MDWBRCU1 通信为 USB 串口通信。串口定位如下:
MDWBRCU1 转接板规格书

引脚 符号 IO 类型 功能
1 GND P 电源参考地
2 TX I/O 串口 TX
3 RX I/O 串口 RX
4 5V P 5V 电源输入

说明P 表示电源引脚,I/O 表示输入输出引脚。

MDWBRCU1 成品外壳尺寸图如下所示:

MDWBRCU1 转接板规格书



描述 最小值 最大值 单位
输入电压范围 4.5 5.5 V
工作环境温度 -20 85
工作环境湿度 0% 90% RH
存储环境温度 -20 85


  • TX 连续发送时功耗

    符号 模式 功率 平均值 峰值(典型值) 单位
    IRF 11b 11Mbps 17dBm 177 214 mA
    IRF 11g 54Mbps 15dBm 154 186 mA
    IRF 11n BW20 MCS7 14dBm 154 186 mA
  • RX 连续接收时功耗

    符号 模式 平均值 峰值(典型值) 单位
    IRF 11B 11M 40.6 59.6 mA
    IRF 11G 54M 40.6 58.8 mA
    IRF 11N HT20 MCS7 40.5 58.8 mA


工作模式 工作状态,TA=25℃ 平均值 峰值(典型值) 单位
快连配网状态 模块处于快连配网状态,Wi-Fi 指示灯快闪 41.9 222 mA
网络连接空闲状态 模块处于联网工作状态,Wi-Fi 指示灯常亮 17.1 212 mA
网络连接操作状态 模块处于联网工作状态,Wi-Fi 指示灯常亮 40.2 206 mA
断网状态 模块处于断网工作状态,Wi-Fi 指示灯常灭 54.7 218 mA



参数项 详细说明
频率范围 2.400~2.4835GHz
Wi-Fi 标准 IEEE 802.11b/g/n(通道 1-14)
蓝牙 LE 标准 蓝牙 4.2
  • 11b:1,2,5.5,11(Mbps)
  • 11g:6,9,12,18,24,36,48,54(Mbps)
  • 11n:HT20 MCS0~7
天线类型 PCB 天线,增益 0.29dBi


  • TX 连续发送性能

    参数项 最小值 典型值 最大值 单位
    RF 平均输出功率,802.11b CCK Mode,11M - 17 - dBm
    RF 平均输出功率,802.11g OFDM Mode,54M - 14 - dBm
    RF 平均输出功率,802.11n OFDM Mode,MCS7 - 13 - dBm
    RF 平均输出功率,蓝牙 LE 4.2,1M - 6.5 - dBm
    频率误差 -20 - 20 ppm
    EVM@802.11b CCK 11Mbps Mode 17dBm - - -15 dB
    EVM@802.11g OFDM 54Mbps Mode 14dBm - - -33 dB
    EVM@802.11n OFDM MCS7 Mode 13dBm - - -33 dB
  • 接收性能

    参数项 最小值 典型值 最大值 单位
    PER<8%,RX 灵敏度,802.11b CCK Mode,11M - -87 - dBm
    PER<10%,RX 灵敏度,802.11g OFDM Mode,54M - -75 - dBm
    PER<10%,RX 灵敏度,802.11n OFDM Mode,MCS7 - -72 - dBm
    PER<10%,RX 灵敏度,蓝牙 LE 4.2,1M - -93 - dBm


FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user‘s authority to operate the equipment.

This equipment should be installed and operated with a minimum distance of 20 cm from your body.

Declaration of Conformity European Notice

MDWBRCU1 转接板规格书

Hereby, Hangzhou Tuya Information Technology Co., Ltd declares that this module product is in compliance with essential requirements and other relevant provisions of Directive 2014/53/EU, 2011/65/EU. A copy of the Declaration of Conformity can be found at

MDWBRCU1 转接板规格书

This product must not be disposed of as normal household waste, in accordance with the EU directive for waste electrical and electronic equipment (WEEE-2012/19/EU). Instead, it should be disposed of by returning it to the point of sale, or to a municipal recycling collection point.

The device could be used with a separation distance of 20cm from the human body.