Midea MWB-S-WB01 Bluetooth and 2.4GHz Wi-Fi Dual band Communication Module User Manual

June 6, 2024
Midea

Midea IoT
Module User Manual 

Manufacturer Name: GD Midea Air-Conditioning Equipment Co., Ltd
Module name: Bluetooth & 2.4GHz Wi-Fi dual-band Communication Module
Model specification: MWB-S-WB01
Material code: Preparation: Xiang KangYi
Sign:
Review:

This document is confidential, and all information contained in it shall be interpreted by Midea IoT company. All unauthorized and permitted copying shall not be recognized and prohibited.

Midea IoT
Address: 2nd floor, building 4, midea global innovation center, beijiao town, Shunde District, Foshan city, Guangdong province Tel:

Product Overview

MWB-SWB01 is a fully functional, highly integrated, low-power WiFi + BLE module for the Internet of things developed by Midea. The module adopts a Built-in PCB antenna design and Midea’s customized WB01 chip. The main chip highly integrates power management, memory, flash memory, WiFi baseband, and Bluetooth baseband. It supports  IEEE 802.11b/g/n protocol and provides a UART communication interface to communicate with the main device. It can be widely used in smart home devices, remote  monitoring devices, medical machinery and other fields

The module has the following characteristics:

  • Support 160MHz, RAM 352KB,4M Flash
  • Support IEEE 802.11b/g/n protocol
  • In 2.4GHz band support 20MHz bandwidth
  • Support Bluetooth BLE 5.1(1M, 2M)
  • Support encryption protocols:WEP, WPA, WPA2,WPA3,TKIP
  • PCB Build-in Antenna: Ant Gain 2dBi
  • Working temperature:-20℃ to 85℃
  • The product shall be supplied by an ES1/PS1 power source, which is insulated to the

AC mains by double or reinforced insulation.
The block diagram of the module is as follows:

图 1.1 MWB-S-WB01 Module diagram Block

Top view

Positive figure:

On the back of the figure:

Radio frequency characteristics

 Radio frequency basically characteristics
Frequency range WIFI:2.4GHz~2.485GHz Bluetooth:2402~2480MHz
Wireless standard WIFI:802.11b/g/n,Bluetooth:BLE 5.1
Antenna PCB 天线
Tx Rate 11b: 1Mbps,2Mbps,5.5Mbps,11Mbps

11g:6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
11n: MCS0,MCS1,MCS2,MCS3,MCS4,MCS5,MCS5,MCS6,MCS7
Bluetooth:1Mbps,2Mbps
Protocol Support| WIFI:IPV4,TCP/UDP/HTTP/MQTT/Websocket/ARP/ICMP
Bluetooth: GATT/ATT/SMP/L2CAP/GAP/HCI/LL
Security Support| Encryption Standard: WEP/WPA/WPA2/WPA3
Encryption algorithm: WEP64/WEP128/TKIP/AES

 RF Tx Power characteristics
Rate Min. Typ. Max. The Unit
1Mbps 15 17 19 dBm
11Mbps 15 17 19 dBm
54Mbps 12 14 16 dBm
HT20-MCS7 11 13 15 dBm
Bluetooth 1Mbps 4 6 8 dBm
Bluetooth 2Mbps 4 6 8 dBm
--- --- --- --- ---
Fre Err -10 0 10 ppm
RF Rx Sensitivity characteristics
Rate Min. Typ. Max. The Unit
1Mbps -84 -97 dBm
11Mbps -78 -90 dBm
54Mbps -65 -75 dBm
HT20-MCS7 -64 -71 dBm
Bluetooth 1Mbps -70 -96 dBm
Bluetooth 2Mbps -70 -96 dBm
 Antenna characteristics

The passive performance of the antenna of the Wi-Fi & Bluetooth module should meet the following requirements:

Parameter In 2.4g frequency band:2.4GHz~2.485GHz
S11 <-10dB
The efficiency of ANT >40%
  • Antenna Drawing :

Product structure diagram

PCB size
  • Plate thickness: 1.0 mm
  • Module thickness (with shield): 15 20 4.6 mm
  • Tolerance: ± 0.2mm
  • Material: FR-4
Line drawing
SN. Tag Wi-Fi module end pin description
1 VCC VCC power supply
2 RX RX module receives
3 TX TX module transmit
4 GND symbol GND
Label requirement

Label printing requirements::
Label size is 13.59.5mm, label material is white, Song typeface; The dimension of the QR code is 55mm。
QR code content:

The content of the QR code is shown in the following table.

QR code content

Field| Characters in length| Note
ID| 10| After getting ID and print
MAC address| 12|
| | If the content is less than 26 characters,
| | fill in the front with the character “X”
| | Factory code (2 a) + job number (8) + production
Production| | date (6th) + small software version number (6)
information| | +    enterprise    code    (4    digits)    :
S/N| 26| “02BPF4FM041706080000010000”
Software version number| 12| 050509011835
The      power supply| 4| Fixed content as “5.0V”
current| 5| 500mA

Note:
Starting code (4 bits) : MAC:
MAC address (12 bits) : XXXXXXXXXX
Production information (bit 26) : 01 XXXXXXXX 160919 000109 0000
Position 1 and 2: represent the manufacturing plant
Position 3-10: represents the job number of the manufacturing plant
Bit 11~16: production date, such as September 19, 2016, marked 160919
Bits 17 to 22: software minor version Numbers
No. 23-26: enterprise code, idea’s internal business department is “0000”

Non-American enterprise code according to the software code.

Software version (12 bits): XXXXXXXXXXXX
Power supply (4-bit): working voltage of the module
Current (5 bits) : 500mA

 Size of the shield cover

Technical requirements:

  • Material: Cupronickel c7701, t = 0.2mm, H = 1.5mm
  • The surface shall be clean without burr, flash and other defects
  •  The dimension tolerance without indication is ± 0.1mm
  •  The unmarked angle is r0.2mm, and the unmarked bending angle is below r0.2mm
Pin drawing

Technical requirements:

  • Material: Cupronickel c7701, t = 0.2mm, H = 1.5mm
  •  The surface shall be clean without burr, flash and other defects
  • The dimension tolerance without indication is ± 0.1mm
  • The unmarked angle is r0.2mm, and the unmarked bending angle is below r0.2mm
  • Rated current: 3A
  • Withstand voltage: AC 500V
  • Operating temperature: – 40 ℃ ~ + 105 ℃
  • Insulation material: Black PA6T
  • Material: Brass
  • Electroplating: g / F plated over nicke

Power consumption description

The state| The avg current ( mA)| The Min. current (mA)| The Max. current(mA)| The avg power consumption (mW)
---|---|---|---|---
Idle| 21.06| 17.76| 86.98| 69.21
AP| 44.43| 36.81| 224.26| 222.15
Station Idle| 40.28| 4.96| 239.01| 201.43
Station data transmission| 41.31| 7.04| 238.72| 206.57
Station  AP offline| 42.47| 7.06| 237.68| 212.37

Electrical parameters

Absolutely electrical parameters

Power supply parameters:

Parameters Description Min. Max. The unit
Ts Storage temperature -40 85
VCC Power supply 3.0 5.5 V
ESD(HM) TAMB-25℃ -2 2 KV
ESD(MM) TAMB-25℃ -0.75 0.75 KV
 Working conditions
Parameter Description Min. Typ. Max. The unit
Ta Working temperature -40 85
--- --- --- --- --- ---
VCC working    power supply 3.0 5/3.3 5.5 V
VIL Low-Level Input Voltage -0.3 0.3 V
VIA High-Level Input Voltage 4.5 5 5.5 V
VEOH High-Level Output Voltage 4.75 5 5.25 V
VOL Low-Level Output Voltage 0 0.4 V

Compliance with standards and certification

Wi-Fi Bluetooth module must comply with ROHS environmental assessment certification。

Precautions for use

The Wi-Fi & Bluetooth module exposed in the air (the core board inside the module or the whole composed of the scoreboard and the baseboard) shall at least meet the  service  environmental conditions of general consumer electronic products, including but not limited to:

  • Working temperature: – 20 ~ 85 ℃
  • Storage temperature: – 40 ~ 85 ℃
  • Working humidity: 0~95 %RH
  • Storage humidity: 0~98 %RH
  • Tolerance – 20 / + 85 ℃, every 2h a cycle, thermal shock, under the impact of the cycle of at least 20 don’t appear dysfunction or performance degradation, no significant tin crack phenomenon.
  • When working for a long time, the temperature rise of the circuit components should meet the requirements of their own specifications.
  • To simulate the transportation process and home application scenarios, the module should be able to withstand a certain degree of mechanical impact and drop.

Through certain protective means, Wi-Fi & Bluetooth modules can have higher environmental adaptability. When designing a Wi-Fi & Bluetooth module, the performance, size and process margin required for the implementation of protection measures should be reserved

Note/FCC warning:
This equipment 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 into 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.
  • This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.

MODIFICATION: Any changes or modifications not expressly approved by the grantee of this device could void the user’s authority to operate the device.

FCC label statement
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.

-To satisfy FCC exterior labeling requirements, the following text must be placed on the exterior of the end product. “Contains Transmitter Module FCC ID: 2ADQOMWB-SWB01”

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