This document is a detailed configuration guide for the 11N wireless broadband router TL-WR840N, including the features and characteristics of the product.
This manual guides users through hardware description, quick installation, and full configuration of the TL‑WR840N router. It covers WAN/LAN connections, wireless settings, security features, and system tools such as firmware upgrade and factory reset.
Additional sections include FAQs, a comprehensive specifications table, and appendices for advanced functions like VPN passthrough, UPnP, and dynamic DNS, helping both end‑users and technicians maintain optimal network performance. This manual is written in Chinese.
| Supported wireless standards | IEEE 802.11b/g/n |
|---|---|
| LAN ports | 4 x 10/100Mbps auto‑MDI/MDIX RJ45 ports |
| WAN port | 1 x 10/100Mbps auto‑MDI/MDIX RJ45 port |
| Frequency range | 2.4 – 2.4835 GHz |
| Maximum data rate (802.11n) | up to 300 Mbps |
| Antennas | 2 dipole omnidirectional antennas |
| Transmit power | 20 dBm (max) |
| Dimensions (L×W×H) | 158 mm × 120 mm × 34 mm |
| Operating temperature | 0 °C to 40 °C |
| Storage temperature | -40 °C to 70 °C |
| Operating humidity | 10 % to 90 % RH (non‑condensing) |
| Storage humidity | 5 % to 90 % RH (non‑condensing) |
Use the system tools section to select the “恢复出厂设置” (restore factory settings) option, which will reset all configuration to the original state.
The MAC address can be viewed via the “MAC 地址查询” (MAC address query) function in the system tools.