How to choose WiFi moudle? QCA9880+QCA9882-802.11ac WiFi seamless connection-2.4G&5G easily expand and adjust network topology
In industrial projects, WiFi cards (Wireless Network Cards) have multiple roles and applications as they enable wireless network connectivity into industrial environments for data transmission, monitoring, remote control and communication. Here are some common uses of WiFi cards in industrial projects:

Remote monitoring and control: Industrial projects usually involve a large number of devices, machines and sensors, and by installing WiFi cards, these devices can be wirelessly connected to the central control system. This enables engineers and operators to monitor equipment status, collect data and take real-time control from remote locations, increasing efficiency and reducing manual intervention.

Data collection and transmission: WiFi cards can be connected to a wireless network to transmit data from various sensors and devices to a central server or cloud. This real-time data transmission can be used to monitor environmental parameters, production process status, energy usage, etc. for analysis and optimization.

Device networking: In the field of industrial automation, various devices need to work together to achieve a smooth production process. The WiFi card can connect these devices to each other, realize data sharing and communication, and promote coordination and cooperation between devices.

On-site testing and troubleshooting: Field engineers in industrial projects can use mobile devices to connect to WiFi cards installed on equipment for testing, configuration, and troubleshooting. This reduces the time required for maintenance and repairs and speeds up the problem resolution process.

Remote Maintenance and Updates: Through a WiFi connection, engineers and technicians can remotely update a device’s firmware and software to provide new features, fix bugs, or improve performance without physically visiting the device on-site.

Flexibility and Scalability: WiFi cards provide flexibility, allowing industrial projects to easily expand and adjust network topology to adapt to changing needs.

Data security: Although network security is very important in industrial environments, with proper security measures, WiFi cards can still provide functions such as encryption and authentication to ensure the protection of sensitive data.

There are many WiFi moudles on the market. Wallys, as one of the well-known WiFi solution suppliers, will of course develop and produce many WiFi moudles that meet customer needs. Today we will take a look at the most widely used WiFi moudle chips.

QCA9880 and QCA9882 are models of Qualcomm wireless communication chips. The following are their respective advantages and frequency band information:
QCA9880:
Performance advantages: QCA9880 is a dual-band (2.4 GHz and 5 GHz) wireless communication chip that supports the 802.11ac standard, with high-speed data transmission capabilities and stronger signal stability.
Frequency Band Coverage: Supports both 2.4 GHz and 5 GHz frequency bands, enabling it to better manage communications in congested wireless network environments.
Multi-antenna technology: The QCA9880 supports multi-antenna technology (MIMO), which means it can communicate with multiple devices at the same time, improving network capacity and efficiency.
Advanced features: The chip usually also has advanced features such as beamforming (beamforming), which can optimize signal transmission according to the location of the device, providing more stable and high-speed connections.
Field of application: Due to its high performance and advanced features, QCA9880 is often used in applications that require high data transmission rates and stable connections, such as enterprise-class wireless network equipment, high-performance routers, etc.
Wallys' DR900VX uses QCA9880 as the CPU and designed 3x3 2.4G/5G dual band
Qualcomm-Atheros QCA9880 chipset
2.4GHz max 26dBm & 5GHz max 25dBm output power
IEEE 802.11ac compliant & backward compatible with 802.11a/b/g/n
3x3 MIMO Technology, up to 1.3Gbps
Mini PCI Express edge connector
RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals
Supports Spatial Multiplexing, Cyclic-Delay Diversity (CDD), Low-Density Parity Check (LDPC) Codes, Maximal Ratio
Combining (MRC), Space Time Block Code (STBC)
Supports IEEE 802.11d, e, h, i, k, r, v time stamp, and w standards
Supports Dynamic Frequency Selection (DFS)
FCC, CE and IC Certification

QCA9882:
Dual-band capability: QCA9882 is also a dual-band (2.4 GHz and 5 GHz) wireless communication chip that supports the 802.11ac standard.
High-speed connection: Similar to QCA9880, QCA9882 also has high-speed data transmission capability to meet high bandwidth requirements.
Frequency band coverage: It also supports 2.4 GHz and 5 GHz frequency bands to adapt to different wireless environments.
Wide range of applications: QCA9882 performs well in many applications, especially those that require stable, high-speed connections, such as home routers, small and medium-sized enterprise network equipment, etc.
As a note, the information I have received for the 2021 knowledge deadline. Due to the continuous development of chip technology, subsequent models and versions may have been launched, so it is recommended that you check the latest chip specifications and characteristics on Qualcomm's official website or other authoritative sources to obtain the most accurate information.

DR600VX QCA9880 802.11ac Dual band
QCA9880 2x2 2.4G/5G FCC/CE
Qualcomm-Atheros QCA9880 chipset
2.4GHz max 24dBm & 5GHz max 23dBm output power
IEEE 802.11accompliant & backward compatible with 802.11a/b/g/n
2x2 MIMO Technology, up to 867Mbps
Mini PCI Express edge connector
Support the Frequency 4920MHz~4980MHz
RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals
Supports Spatial Multiplexing, Cyclic-Delay Diversity (CDD), Low-Density Parity Check
(LDPC) Codes, Maximal Ratio Combining (MRC), Space Time Block Code (STBC)
Supports IEEE 802.11d, e, h, i, k, r, v time stamp, and w standards
Supports Dynamic Frequency Selection (DFS)

QCA9880, QCA9882 and similar wireless communication chips are used with WiFi motherboards to provide necessary wireless communication functions for wireless network devices, enabling devices to achieve high-speed, stable data transmission and interconnection in a wireless environment.

Wallys software technology advantages:
Wallys has 10 years of experience in software development and is very experienced in uboot, Linux, wifi protocol, wifi performance, OS and other systems. It mainly uses Qualcomm chips to develop important software such as drivers and kernels, and has the ability to modify and compile to meet customers' different wifi functional requirements. Meanwhile, it participates in openwrt organization and code development. wifi5 product DR40x9 has been officially supported by openwrt.
Hardware technology advantages:
We have a strong hardware design team, and experienced people know that the most difficult part of hardware design is RF circuit design, baseband, etc., while wallys team made 0 error to achieve signal integrity, such as frequency conversion of network card, from 2.4G to 900M, which is a technological breakthrough.
Clients: TIP,Facebook, Openwrt, etc
Email:sales@wallystech.com
WEB:https://www.wallystech.com/

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