TP‑Link TL-WN781ND 150Mbps Wireless N PCI Express Adapter Single‑Antenna, Detachable, 2.4 GHz, WPA2 Security
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High‑speed 150 Mbps Wireless N performance on the 2.4 GHz band.
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Fits into any PCI Express slot (x1, x2, x8, x16) for desktop computers.
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Detachable 2 dBi external antenna offers flexibility for better coverage.
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Supports advanced wireless security including WPA2‑PSK & WEP.
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Compact card size (120.8 × 78.5 × 21.5 mm) and standard form factor.
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Single‑band operation (2.4 GHz) for legacy and basic WiFi networks.
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Certified to CE, FCC and RoHS standards for compliance and safety.
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Includes antenna, driver CD and quick installation guide for easy setup.
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Interface: PCI Express
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Wireless Standard: IEEE 802.11b/g/n (2.4 GHz)
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Maximum Wireless Speed: Up to 150 Mbps
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Frequency Range: 2.400 – 2.4835 GHz
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Antenna: 1 × detachable omni‑directional (RP‑SMA), 2 dBi gain
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Wireless Security: 64/128‑bit WEP, WPA‑PSK/WPA2‑PSK (TKIP/AES), Wireless MAC Filtering
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Operating Temperature: 0 °C to 40 °C; Storage: ‑40 °C to 70 °C; Operating Humidity: 10%‑90% non‑condensing
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Certifications: CE, FCC, RoHS


