Wifi relay is to send the received WIFI signal and then launch it. It is to relay the wireless signal to increase the coverage of the wireless signal. The wifi repeater is a wireless router with a relay function. This article teaches you to make a WiFi repeater.
Relay technologyIt is feasible to extend the range of 802.11 networks by using repeater technology. In fact, the IEEE 802.11 protocol has clearly defined that relaying is supported through several modes. For example, a Wireless Distributed System (WDS) allows one access point to connect not only to another access point over a wireless link, but also to 802.11 devices simultaneously. If bandwidth has little to do with applications, it has maximum flexibility if you extend the range with 802.11b. If the service user and the two-way transmission are using the same wireless communication channel, the available bandwidth has been substantially reduced by half.
In fact, wireless repeaters in the network can be simply narrowly defined as wireless APs.
AP is the abbreviation of Access Point (Wireless Access Node), which is equivalent to a hub or switch in a wired network. However, this is a hub with wireless signal transmission function, which provides a conversation junction for multiple wireless Internet devices. Wireless AP is a very broad name. It not only includes a wireless access point (wireless AP), but also a general name for devices such as wireless routers. However, in order to distinguish between these two types of devices, we generally only have AP functions. A device is called a wireless AP, and an AP with a router function is called a wireless router.
Simply put, AP is an extension line, repeater, and amplifier in a wireless network. Play a role in strengthening the signal and extending the distance.
Homemade WiFi Repeater Method 1. Set the main router:0. Enter the account number in the normal way and connect to the external network of the main router.
1. LAN port IP: 192.168.1.1 (Keep the default settings)
2. DHCP service settings: Enabled (must be enabled) 3. SSID number: HP (WIFI user name, can be changed to easy to remember, the default is also OK. Bridge router to scan, select a number). Channel: 6 (Use 1 or 11 also. The bridged slave router should be consistent with this channel) Start wireless function: Tick to open SSID broadcast: Tick open WDS: Cannot tick (save)
4. Wireless security settings: select WPA-PSK/WPA2-PSK authentication type; automatic encryption algorithm: automatic PSK password: 777391--- (WIFI password, these four settings must be consistent with the slave router)
5. Save and restart the router. (must be restarted to take effect)
1. LAN port IP: 192.168.1.2 (The LAN port IP address must be modified to make it different from the main router to prevent IP address conflicts.)
2. DHCP service settings: Not enabled (DHCP must be turned off from the router, assigned by the primary router)
3. SSID number: TP-LINK_B26F04 (WIFI user name, can be changed to easy to remember, the default is also OK.) Channel: 6 (use 1 or 11 also. Must match the channel of the main router) Start wireless function: tick Open the SSID broadcast: Tick the account WDS: Tick "Scan" and select the SSID as the HP's main router. Enter the password of the main router: 777391--- (Save)
4. Wireless security settings: select WPA-PSK/WPA2-PSK authentication type; automatic encryption algorithm: automatic PSK password: 777391--- (WIFI password, this 43 settings must be consistent with the main router.)
5. Save and restart the router. (It must be restarted to take effect) To ensure that the master-slave router signal is stable, otherwise the network can be unstable even if the signal received from the router is strong.
Third, more slave routes also transmit signals through the main route, so the master route must be centered. Set the repeat second step, pay attention to the LAN port IP. avoid confict. When the computer switches to a different router, a DNS error may occur, and the IP address of the computer may be changed to "automatic" or "manual".
WIFI is a weak radio wave. It has poor penetration to earth walls or floors, but it has diffraction characteristics. The radius of the open area can reach 150 meters. Therefore, we must consider the installation: first, the plane area is centered, avoiding obstructing objects as much as possible; second, the vertical area is placed at a high position, close to the window or stairs, and can be transmitted upstairs or downstairs by wave diffraction.
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