What are the wireless data rates for the 5 GHz and 2.4 GHz bands on this device?

The wireless data rate for the 5 GHz band is 4324 Mbps, and for the 2.4 GHz band, it is 688 Mbps.

What is the maximum coverage area of the TP-Link Deco BE25 Wi-Fi system?

The TP-Link Deco BE25 Wi-Fi system covers up to 6,600 sq. ft.

The product information does not specify whether it has a web interface.

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5 Gbps Dual-Band WiFi – 4324 Mbps (5 GHz) + 688 Mbps (2.4 GHz).
2.5 Gbps Wired Connections – 2x2.5 Gbps ports ensure max flexibility and boosted throughput.
Wireless and Wired Combined Backhaul – Connects a wireless and wired backhaul with each unit simultaneously to improve overall throughput and reduce latency.
Multi-Link Operation (MLO) – Simultaneously send and receive data across different bands and channels to increase throughput, reduce latency, and improve reliability.
Seamless AI-Driven Roaming – Forms a unified network with built-in AI-Roaming creating the ideal Wi-Fi solution for your home.
TP-Link HomeShield – Provides comprehensive network protection, robust parental controls, and real-time IoT security.
Universal Compatibility – Backward compatible with all WiFi generations and works with any internet service provider (ISP) and modem.