Product Description

Xiaomi Communications Co., Ltd.
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table 1-2.MHCWB4P-B&MHCWB4P-IB Parameters Table
category
parameter
Description
Wireless parameter
Standard certification
Wi-Fi protocol
802.11 b/g/n
Frequency Range
2.412 GHz ~ 2.462GHz
Hardware parameter
Data interface
UART/HSPI/I2C/I2S
GPIO/PWM
Operating Voltage
2.7V ~ 3.6V
Operating current
average：80 mA
Supply current
min：500 mA
Operating temperature
-40°C ~ 85° C
Storage temperature
-40°C ~ 85° C
External interface
-
Software parameter
Wireless network mode
Station/SoftAP/SoftAP+Station
Security Mechanism
WPA/WPA2
Encryption type
WEP/TKIP/AES
Firmware upgrade
Local serial programming / OTA upgrade / host
download & programming
Software development
Support for custom’s server
Provide SDK required for secondary development
Network protocol
IPv4，TCP/UDP/HTTP/FTP
User configuration
AT+Instruction Set, Cloud server, Android/iOS app
2 Pin descriptions
The pin distribution of the chip module MHCWB4P-IB is shown in Figure 2-1