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 13.5*9.5mm， label material is white, Song typeface; The dimension of the QR code is 5*5mm。
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:
- This device may not cause harmful interference, and
- 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”
