Extend My WiFi Signal To Another Building 400 Feet

Having a secure and stable internet connection is something that everyone needs these days. However, sometimes people want to extend the range of WiFi signals outside their house. It is possible, but you need to install some additional hardware for this. Learn how you can extend your WiFi signals to another building 400 feet away:

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How to Extend Wifi to Another Building

Step 1: Install a router

A router is the best option to extend your WiFi signals. There are many companies that offer reliable routers, but it is better to check the specifications, such as the WiFi range of the router, before buying one. After you have purchased a router with a suitable range, you must now decide where you want to install it.

Choosing the right location is so important; the router must be at such a spot from where it can efficiently spread signals. For example, if you place the device in a locked room, it will fail to transmit signals, despite having a good range. If you want to extend signals to a building 400 feet apart from yours, place the router on the wall closest to it. But make sure your router is well protected from rain and dust.

Step 2: Run a wired connection

Cables such as Optical Fibre are effective for Internet availability to another building 400 feet away. This method may sound hectic, but it has its advantages over wireless connections. Installing several routers to extend the WiFi signals is simple and easy. But it does not guarantee a strong signal strength; the strength you receive is only a fraction of what your original internet connection can offer.

While cables provide you with a stable and strong internet without any fluctuation. Therefore, using wires to connect two buildings is always the most promising method in terms of latency and speed. The regular Cat 5 and Cat 6 cables can only run for 328 feet, while optical fiber can be used for much longer distances. But such installation is costly and requires special digging permission.

Step 3: Use a wireless bridge

A wireless bridge employs microwave or infrared transmission to stretch a single internet connection to another building 400 feet away. Under the right conditions, the wireless bridge can be a cost-effective option where wired connections are not possible. To make this method work, you have to place a device on each building. The placement of equipment should be such that both of them can see each other without any obstruction.

Though, you have to buy some additional wireless equipment and cables for its installation. But still, the wireless bridge is way cheaper than running optical fiber for extending WiFi over short distances.

Step 3: Improve signal strength

You can boost the strength of your WiFi signals using wireless antennas. Antennas can transmit signals much farther than your router’s original range. These days, there are two major types of wireless antennas—the Omni-directional antenna, which can spread the router’s signal into a larger bearing. And the high-gain directional antennas can send a signal over a limited, focused area. The directional antennas are more powerful as compared to omnidirectional antennas.

Moreover, you can also use a WiFi range extender that receives an incoming WiFi signal from your router, amplifies it, then transmits it out again. Place this extender as close to halfway between your router and the other building for the best outcome.

Step 4: Using wireless repeaters

A repeater is an equipment that copies the original router’s signal and re-broadcasts them to help it extend further. They are easier to install than WiFi extenders because repeaters are simple plug-and-play devices. Moreover, repeaters are a cheaper way to get the signal to another building 400 feet away. Simply plug the device in the area where signal reception is weak and start it.

Depending upon the quality and installation of the repeater, you can expect a speed between 75 Mbps and 300 Mbps. However, the speed you receive also depends on how far you are from the repeater when accessing the network and how many obstructions the signal travels through. Moreover, using multiple repeaters for a single WiFi connection will result in an inferior network. So, limit these factors to enjoy a smooth connection.


The best way to successfully transmit your WiFi signal to nearby buildings is by placing your router at a perfect spot and then boosting the signals with a WiFi extender.

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