QCA9882, QCA9880, and MT7915 WiFi cards for OpenWrt:What are the difference?

Title: A Comparative Analysis of QCA9882, QCA9880, and MT7915 WiFi Cards for OpenWrt

In the realm of OpenWrt-compatible WiFi cards, selecting the right one can significantly impact your network's performance and reliability. Among the options available, the QCA9882, QCA9880, and MT7915 stand out as popular choices. In this article, we will delve into the differences between these WiFi cards to help you make an informed decision.

**QCA9882**

The QCA9882 WiFi card boasts a robust chipset designed to deliver exceptional performance. It supports various wireless standards, including WiFi 5 (802.11ac), ensuring compatibility with modern networks. Performance metrics such as throughput and range are commendable, making it suitable for demanding applications. QCA9882 is known for its seamless integration with OpenWrt, offering extensive configuration options and stability. While pricing may vary, it generally falls within a reasonable range, providing value for money.

**QCA9880**

Similar to the QCA9882, the QCA9880 WiFi card features a reliable chipset optimized for high-performance networking. It also supports WiFi 5 standards, guaranteeing compatibility with modern networks. Performance metrics are commendable, although specific benchmarks may vary. QCA9880 is well-supported by OpenWrt, offering users a plethora of configuration options and stability. Pricing for the QCA9880 is competitive, making it an attractive choice for budget-conscious consumers seeking reliable performance.

**MT7915**

The MT7915 WiFi card is another contender in the OpenWrt ecosystem, boasting a chipset designed to deliver robust performance. It supports WiFi 6 (802.11ax) standards, offering enhanced throughput and efficiency compared to its predecessors. Performance metrics such as throughput and latency are impressive, catering to demanding networking requirements. While OpenWrt compatibility may vary, efforts are underway to ensure seamless integration with the platform. Pricing for the MT7915 tends to be higher compared to WiFi 5 alternatives, reflecting its advanced features and capabilities.

**Comparative Analysis**

When comparing these WiFi cards, several factors come into play. Performance-wise, the MT7915 holds an edge with its support for WiFi 6 standards, offering superior throughput and efficiency. However, both the QCA9882 and QCA9880 remain competitive choices, especially for users with WiFi 5 networks. In terms of OpenWrt compatibility, all three options offer varying degrees of support, with QCA9882 and QCA9880 being more established within the community.

**Conclusion**

In conclusion, the choice between the QCA9882, QCA9880, and MT7915 WiFi cards depends on your specific requirements and budget constraints. If you prioritize cutting-edge performance and have the budget for it, the MT7915 is an excellent option. However, for users seeking reliable performance at a more affordable price point, both the QCA9882 and QCA9880 are viable alternatives. Regardless of your choice, each WiFi card offers unique features and capabilities that can enhance your OpenWrt experience.

Wallys Modules and Platform

DR882 (QCA9882):

Chipset: Atheros QCA9882

2x2 5G high-power radio card

Frequency range: 4.940GHz to 5.825GHz

2x 5G MMCX connectors

Bandwidth: 20MHz/40MHz/80MHz

Supports 802.11ac/an standards

RoHS compliant

DR900VX

Chipset: Qualcomm-Atheros QCA9880

Output power: 2.4GHz max 26dBm, 5GHz max 25dBm

IEEE 802.11a/b/g/n/ac compliant and backward compatible

3x3 MIMO technology, up to 1.3Gbps

Mini PCI Express edge connector

RoHS compliant

Supports various technologies and IEEE standards (e.g., spatial multiplexing, LDPC codes, MRC, STBC, DFS)

FCC, CE, and IC certification

DR600VX

Chipset: Qualcomm-Atheros QCA9880

Output power: 2.4GHz max 24dBm, 5GHz max 23dBm

IEEE 802.11a/b/g/n compliant and backward compatible

2x2 MIMO technology, up to 867Mbps

Mini PCI Express edge connector

Frequency support: 4920MHz~4980MHz

RoHS compliant

Supports various technologies and IEEE standards (e.g., spatial multiplexing, LDPC codes, MRC, STBC, DFS)

FCC, CE certification

DR7915

Chipset: MT7915+MT7975  

Host Interface: Mini PCI Express 2.1  

Antenna Connector: 2 x UF.L  

Frequency Range: 2.4GHz: 2.412GHz to 2.472GHz, 5GHz: 5.180GHz to 5.825GHz  

Operating Voltage: 3.3V DC  

Power Consumption: 4-8w

Modulation Techniques: OFDM: BPSK, QPSK, DBPSK, DQPSK, 16-QAM, 64-QAM, 256-QAM  

Environmental Temperature: Operating: -40°C to 70°C, Storage: -40°C to 90°C  

Environmental Humidity, non-condensing: Operating: 5% to 95%, Storage: Max. 90%  

ROHS Compliance: YES  

Dimensions (W×H×D): 51mm × 30mm × 5.8mm

Click below the link for more information of DR7915

https://www.wallystech.com/Network_Card/DR7915-wifi6-MT7915-MT7975-2T2R-support-OpenWRT-802.11AX-supporting-MiniPCIe-Module.html

Platform:DR4019

Featuring with industrial-grade IPQ4019/IPQ4029 chipset 

Integrated with 2x 2 5G high power Radio module and 2x2 2.4G high power Radio module 

Support 4.940GHz to 5.825GHz Frequency Range

Support 2.400GHz to 2.482GHz 

Support 2 x 5G MMCX Connectors and 2x2.4G MMCX 

Support 5MHz/10MHz/20MHz/40MHz/80MHz Bandwidth 

Support 11ABGN/AC 

Support fixed data rate

RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals

Our Firmware supports all the modules of Quectel

Support Openwifi

Support QSDK

Support Openwrt

Feel free to share your thoughts on QCA9882, QCA9880, and MT7915 WiFi cards for OpenWrt in the comments section below.

Wallys is committed to continuous innovation, pushing the boundaries of WiFi technology. Alongside hardware products, Wallys offers ODM/OEM services, including customization to tailor WiFi 6 products and embedded boards to your specific needs, along with engineering support, testing, and certification.

For inquiries or to discuss your requirements, contact our dedicated sales team at sales1@wallystech.com.

Wallys - Empowering Connectivity, Driving Innovation.

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