In August 2019, at Huawei Developer Conference, Huawei officially released the Lingxiao Series WiFi-iot chips, which are mainly used for home automation products. This is Huawei's connectivity solution for HiLink's smart home ecological strategy. With the chip’s latest technology, HiLink's ecological connections will be more stable, convenient and secure, which is the cornerstone of HiLink's ecological prosperity.
As a leading manufacturer in China, we are specialized in providing customers with perfect Internet of Things connectivity solutions. The following will be a details of the WiFi Module which are based on HiSilicon WiFi chips.
1、Main Chip：Hi1131S
Module No: 3131A-S
Introduction：Mainly used in battery-powered low-power IPC and smart doorbell, work with HI3518EV200/300 and based on LiteOS , it has been recognized by the market for its low power consumption, fast wake-up and excellent performance. Also 3131A-S has been in mass production and successfully applied in this field.
Main Features：
Support IEEE 802.11b/g/n
2.4GHz support 150 Mbps in 20/40 MHZ mode
Support WLAN SDIO interface
Enterprise level security which can apply WPA/WPA2 certification for WiFi
Operating Temperature：-30~70°C
Low power dissipation
2、Main Chip：Hi3861LV100
Module No: 3161A-SL/3161H-IL
Instruction：3161A-SL is an upgrade version of 3131A-S with a wider range of applications,mainly applied in the fields of battery-powered low-power IPC, smart doorbell and smart home.
In the field of low-power video door bell and IPC, Hi3861L is worked with Hi3518EV300 to operate in LiteOS dual mode (WIFI and CPU are both based on LiteOS ). Hi3861L has a rich interface for external sensors. With an embedded MCU and power management unit, it can reach Rapid Wake and lower power consumption. Meanwhile, it simplifies product design and is conducive to rapid product development.
3161H-IL can be directly used in battery-powered low-power door locks and other smart home products.
Main Features：
Support IEEE 802.11b/g/n
2.4GHz support 72.2 Mbps in 20MHZ mode
Support standard 20MHz nd 5M/10M narrow broadband, support STBC
Support SDIO,SPI,I2C,UART,I2S,PWM,ADC,GPIO interfaces
Module integrated 32K clock
WFA WPA, WFA WPA2 personal, and WPS2.0 for Wi-Fi
Built-in 352 KB SRAM and 288 KB ROM
Main chipset Built-in 32bit MCU and 2 MB flash memory
Operating Temperature：-40~85°C
Low power dissipation
3、Main Chip：Hi3861
Module No: 3161H-I
Introduction：Hi3861 is WIFI-IOT chip, which is mainly used in the normally power supply smart home, such as white goods, home appliances, and electrical products.
Main Features：
Support IEEE 802.11b/g/n
2.4GHz support 72.2 Mbps in 20MHZ mode
Support standard 20MHz nd 5M/10M narrow broadband, support STBC
Support SDIO,SPI,I2C,UART,I2S,PWM,ADC,GPIO interfaces
Module integrated 32K clock
WFA WPA, WFA WPA2 personal, and WPS2.0 for Wi-Fi
Built-in 352 KB SRAM and 288 KB ROM
Main chipset Built-in 32bit MCU and 2 MB flash memory
Operating Temperature：-40~85°C
4、Main Chip：Hi3881
Module No: 3181A-S
Instruction：3181A-S is mainly used in the normally power supply broadband passthrough scenario, connected with all kinds of CPU, with higher transmitting power and receiving sensitivity, and can be applied in all kinds of STA products.
Main Features：
Support IEEE 802.11b/g/n
2.4GHz support 72.2 Mbps in 20MHZ mode
Support WLAN SDIO interface
Enterprise level security which can apply WPA/WPA2 certification for WiFi
Support Linux&LiteOS
Operating Temperature：-40~85°C