Quality WiFi BT Module & USB WiFi Module Manufacturer

Before we talk the SDIO WiFi Module, let's take a quick look at the SDIO, which literally means the I/O interface of SD. SD itself is the standard for memory cards, but now we plug SD into some of the peripheral interfaces , and from that comes what we called the SDIO. It can also be said that SDIO is an interface developed on the basis of SD card. It is not only compatible with previous SD CARDS, but also can connect the external periphery through the I/O pin of SD and transmit data to these periphery through the I/O data bit on SD.   So SDIO WiFi Module, which is simply an embedded module based on the SDIO interface and compatible with wireless network standards. The built-in wireless network protocol IEEE802.11 and TCP/IP protocol stack can realize the conversion of user's main platform data from SDIO port to wireless network. Due to its fast transmission speed and good compatibility, it is widely used in all kinds of wireless smart devices. Now let's take a look at some of popular models in applications:   1.3131A-S, it is based on Hisilicon 802.11n video transmission IOT chipset Hi1131S, it supports ultra low power consumption.The data rate in WIFI 1T1R N mode is up to 150 Mbps. It had to be based on LiteOS and be worked with Hisilicon CPU, the major applications are doorbell and IP Camera. Currently, the solution of Hi3518EV20X/Hi3518EV300+Hi1131S directly accounts for more than half in low-power IPC products, and its high definition and stability have been unanimously recognized by various manufacturers all over the world.   2.3181A-S, it based on Hisilicon Hi3881 chipset, the RF performance is basically same as Hi1131S, but it can support LiteOS or Linux, which greatly simplifies the LiteOS inexperienced engineers and reduces the debugging time and development cycle. At present, the main applications included IPC and set-top box. 3.3161A-SL，it is based on Hisilicon Hi3861L chipset, it also inherits the RF performance of Hi1131S, but part of MCU subsystem is optional, which greatly reduces the software and hardware development and improves the convenience of debugging. The major applications will be low-power smart scenes (battery smart devices, such as locks, sensors, etc.) and video scenes (battery IPC). 4.6222B-SRC, it is based on Realtek RTL8822CS chipset, for our previous upgrade of RTL8822BS, supports IEEE 802.11 a/b/g/n/ac + Bluetooth V5.0, WiFi 2T2R AC mode data rate up to 867 Mbps, compared to the previous RTL8822BS not only performance optimization, in the same market competition, cost advantage is more obvious. It is most applied for the Set Top Box, Tablet and other video transmission of high speed smart devices.   5.8274B-SR, it is based on Qualcomm QCA6174A-3 chipset, the performance is similar as 6222B-SRC. In previous articles we specifically mentioned the comparison between these two, they both support MU-MIMO. The big difference is that the operating temperature is more wider, which is particularly important in some industrial grade applications or complex environments.   In addition to the above mentioned based on Hisilicon/Realtek/Qualcomm SDIO WiFi module, as well as based on MTK same ones. Whether it's 2.4 G WiFi or 2.4 G / 5.8 G dual-band WiFi, we have enough market experience and technology accumulation, to provide customers with perfect IOT solutions, more details welcome to visit our website OFLYCOMM.

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

At present, WiFi has officially entered the WiFi 6 era. With more and more intelligent devices’ application, WiFi 6 based on 2.4GHz and 5GHz frequency band has also become a hot term in the field of wireless transmission. However, with the rapid development of technology, WiFi 6e has also been officially released. Compared with WiFi 6, the progress is also a great leap forward. ▶ What is WiFi 6? When it comes to 6,For wifi1, 2, 3... peope may not be particularly clear. In 2018, the WiFi alliance decided to directly call the new generation of WiFi technology 802.11ax WiFi 6, so it replaced the previous one. Make a simple list: 802.11b — WiFi 1 (1999) 802.11a — WiFi 2 (1999) 802.11g —WiFi 3 (2003) 802.11n — WiFi 4 (2009) 802.11ac —WiFi 5 (2014) ▶ Transmission speed of WiFi 6 Here we mainly talk about its theoretical speed: 2.4Gbps(4x4 MIMO@80MHz) 4.8Gbps(8x8 MIMO@80MHz) 4.8Gbps(4x4 MIMO@160MHz） 9.6Gbps(8x8 MIMO@160MHz) According to the theoretical speed of WiFi 6 above, let's take a look at 5g; The 5g uplink peak transmission rate is 10Gbit / s and the downlink peak transmission rate is 20gbit / s. WiFi 6 has a peak rate of 600mbit / s for a single spatial stream with a bandwidth of 80MHz, and 9.6gbit/s for a bandwidth of 160MHz and 8 spatial streams. Generally speaking, the two can stand in the same echelon ▶ New technologies added to WiFi 6 (1)MU-MIMO (faster than before) （2)OFDMA (access more devices at the same time) (3)TWT (lower power consumption and more power saving) ▶ What is WiFi 6E? After finishing WiFi 6, let's talk about its enhanced version 6E. The main difference between the two is that 6GHz frequency band is added to the original frequency band of WiFi 6, which can work in three frequency bands of 2.4GHz, 5GHz and 6GHz at the same time. The 6GHz band range is 5925-7125mhz, including 7 160MHz channels, 14 80MHz channels, 29 40MHz channels and 60 20MHz channels, greatly increasing the wireless transmission capacity. At present, for mobile phones supporting WiFi 6E, the maximum wireless speed can reach 3.6Gbps, 1200mbps faster than 2400mbps of WiFi 6, and the delay is lower. ▶ Another increase in speed and low delay At present, according to Qualcomm's data, the maximum theoretical speed of WiFi 6E mobile phone chip is 3.6Gbps, and the maximum theoretical speed of router chip ranges from 5.4Gbps to 10.8Gbps. Moreover, the new scheme also has an ultra-low delay of less than 4 milliseconds. In a dense environment, the delay is reduced by more than 8 times. It has a lot of use space in mobile games, wireless VR and other industries. I believe that emerging applications based on WiFi 6E will come soon! Ofeixin technology is committed to providing customers with WiFi connection solutions, and WiFi 6E products will be available soon. Customers are welcome to consult or log in to Ofeixin's official website to obtain more.