The D-Link DSL-2640U is an all-in-one ADSL2+ router designed for home and small office (SOHO) use. It combines the functionality of a high-speed DSL modem, a 4-port 10/100 Ethernet switch, and a wireless access point into a single device.
Core Features
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High-Speed Internet: Supports ADSL2+ standards for download speeds up to 24 Mbps and upload speeds up to 1 Mbps.
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Wireless Connectivity: Based on 802.11g standards with speeds up to 54 Mbps. Many newer hardware revisions (like the U1 or T3) support 802.11n for speeds up to 150 Mbps.
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Security: Features dual active firewalls (SPI and NAT) to protect against DoS attacks and unauthorized intrusions. It supports WPA/WPA2 and WEP encryption.
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Quality of Service (QoS): Includes a priority queuing system to ensure smooth performance for lag-sensitive applications like VoIP, online gaming, and streaming.




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