TP-LINK TL-WN781ND 150 MBPS WIRELESS N PCI EXPRESS ADAPTER
PCI‑Express ×1 wireless adapter, backward compatible with x1/x2/x8/x16 slots.
2.4 GHz band, IEEE 802.11b/g/n, up to 150 Mbps.
Detachable RP‑SMA antenna (~2 dBi) for flexible positioning.
Supports WPA/WPA2, WEP security; Infrastructure & Ad‑Hoc modes.
Compact design (~121×79×22 mm) with typical 1–2 year warranty.
In stock
| Category | Specification |
| Model Name | TL‑WN781ND |
| Interface | PCI Express ×1 (compatible with x1, x2, x8, x16 slots) |
| Wireless Standards | IEEE 802.11n / IEEE 802.11g / IEEE 802.11b (2.4GHz band) |
| Maximum Wireless Rate | Up to 150 Mbps (on 802.11n, 2.4GHz) |
| Frequency Band | 2.400 – 2.4835 GHz |
| Antenna | 1 × Detachable omni‑directional antenna (RP‑SMA) with ~2 dBi gain |
| Reception Sensitivity | e.g., 130 Mbps: –68 dBm @ 10% PER |
| Transmit Power | <20 dBm (EIRP) |
| Wireless Modes | Infrastructure / Ad‑Hoc |
| Wireless Security | 64/128‑bit WEP, WPA‑PSK / WPA2‑PSK, TKIP/AES |
| System Requirements | Windows XP / Vista / 7 / 8 / 8.1 / 10 (32/64‑bit) ; Linux kernels 2.6.24‑4.3 |
| Hardware Dimensions | Approx. 120.8 × 78.5 × 21.5 mm (4.8″ × 3.1″ × 0.8″) |
| Operating Temperature | 0 °C – 40 °C |
| Storage Temperature | ‑40 °C – 70 °C |
| Operating Humidity | 10% – 90% non‑condensing |
| Storage Humidity | 5% – 90% non‑condensing |
| Certifications | CE, FCC, RoHS |
| Warranty | Region‑dependent; typical warranty ranges: 1 year, 2 years, up to 3 years in some regions |
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