The Wi-Fi antennae on the majority of routers broadcast signals in all directions.
However, there are numerous antenna configurations for routers on the market today, and you may question if this makes a difference.
Multiple router antennas do make a difference because they facilitate faster streaming. However, less important than the number of antennas is the software that regulates them. MIMO and MU-MIMO antenna specs enhance the network performance.
This essay will examine why routers have several antennas and whether or not this is advantageous.
I will also detail antenna configurations for optimal home signal reception.
Why are there multiple antennas on routers?
Multiple antennas on routers improve signal reliability. With increasing distance, the router’s signal decreases and your device disconnects. On the other hand, wireless devices with several antennas can switch to stronger signals and maintain connectivity while traveling.
Because the antennae on a router are located at various points on the device, each antenna receives a distinct version of the signals transmitted by connected clients.
Multiple antennas provide the router and the device with multiple communication channels.
These distinct channels allow for quicker data transmission rates than would be possible with a single antenna and signal point.
This is known as spatial diversity, and it contributes to the dependability of connections.
Are high-gain antennas advantageous?
High-gain antennas make a difference since they improve the internet signal strength of your connected device.
The advantages of adding one to your router are as follows:
- Better Wi-Fi speed.
- More coverage. Increased coverage enables you to enjoy a robust Wi-Fi connection throughout your entire residence.
- Broadcasting regulation. Wi-Fi antennas with a high gain provide you precise control over the internet signal’s direction.
High-gain antennas are available in the Electronics section of Amazon.com and eBay.com.
Omnidirectional or direction-specific antennas are possible.
Omnidirectional antennas emit radio waves in any direction, resulting in a vast coverage area. Since the antenna emits signals in a circular pattern, directing it in a particular direction has no effect.
These antennas are perfect for network hubs since their performance is exceptional when users are close by. However, if the signal must go through your home’s walls, it will be attenuated.
In contrast, directional antennas broadcast radio frequency in a particular direction, hence enhancing signal transmission in a particular area.
The fact that the directional antenna delivers the largest potential range is a big advantage.
However, pointed antennas have additional benefits and drawbacks. These antennas consist of:
- Are not straightforward to install
- Provide an extensive selection, but in only one way
- Have faster speeds
- Increase your electric power use
Are High-Gain Antennas Better?
High-gain antennas are not necessarily superior because, although they enhance speed, users within a 300-foot (91.44-meter) radius will notice a drop in signal strength and speed. In smaller homes and apartments, a low gain antenna, such as one with 5 or 8 dBi omnidirectional gain, is optimal.
Using a laptop’s Wi-Fi antenna is another option. These antennas connect directly to the USB port on your laptop and enable it to get a robust Wi-Fi signal regardless of its position.
What is the difference between routers with a single antenna and those with two?
A single-antenna router can only receive a single frequency. Moreover, it will probably be a 2.4 GHz network. The dual-antenna router, on the other hand, can receive both the 2.4 GHz and 5 GHz bands.
Routers with a single band have a limited bandwidth. As a result, users may encounter frequent interferences, lowering the speed and stability of Wi-Fi.
In addition, their network coverage is limited, making them more ideal for single-family homes.
Dual-band routers offer higher performance and are easier to configure.
And because dual-antenna routers utilize many channels, they prevent connection issues and boost stability.
Which Router Is Better 2 Antenna or 3 Antenna?
A router with three antennae is superior to one with only two. A minor boost in speed is a major benefit for streaming. Additionally, the user can direct the signal to more specific areas than are possible with two antennas.
A dual-band router with 2.4GHz and 5GHz channels improves speed and coverage over a single-antenna router. However, it is less powerful than a router with three antennas.
In addition, a tri-band router allows the user greater control over the signal’s direction, which is very advantageous for multi-story homes.
Due to the limitations of the 5GHz spectrum, tri-band routers will deliver only a minimal speed increase, but it will be perceptible.
How should Wi-Fi antennas be positioned?
For optimal coverage, the router should be placed in the center of the building so that the network is distributed consistently to the surrounding rooms. If your Wi-Fi router’s antenna is vertical, it will emit radio waves in a horizontal plane. When the Wi-Fi antenna is angled, vertical waves are transmitted.
When employing a router with a single antenna, the user can specify which floor the antenna will transmit to.
However, this restriction can be circumvented by employing a device with multiple adjustable antennae.
With three or more antennas, each can be oriented to cover a distinct region. Thus, coverage is uniform throughout all levels.
By Changing Antennas, Dead Spots Can Be Eliminated.
Routers use duck antennas, which may not be adequate for sending internet signals across an entire home. Replace the default antennas with ones that are more powerful.
Add one directional antenna to your system if you wish to increase your wireless signal in a specific location.
Ensure that the replacement you select supports all MIMO inputs and outputs offered by the access point. This function improves speed and connectivity for users.
How Far Do Router Antennas Reach?
Each antenna type has a unique maximum range, so check your router’s specifications.
- An omnidirectional external Wi-Fi antenna has a range of up to 1 mi. (1.61 km.).
- The range of a directional antenna is up to 8 miles. (12.87 km.).
- A Wi-Fi router equipped with a 2.4 GHz antenna has an interior range of up to 160 feet (48.77 meters) and an outdoor range of up to 100 meters (91.44 m.).
- A router with a 5 GHz antenna has an interior range of up to 50 feet (15.24 meters) and an outdoor range of up to 100 feet (30.48 meters) (30.48 m.).
However, keep in mind that the maximum range of a Wi-Fi antenna is only attainable under ideal conditions. A direct line of sight with no physical obstructions is the optimal configuration for your router.
How to Improve the Performance of a Router Antenna
To enhance the performance of a router’s antenna, nothing conductive should be within 3 feet (91.44 cm) of the antennae, as conductive materials add to Wi-Fi interference.
In rooms with high ceilings, antennas should face downward. Indeed, this is the optimal configuration for antennas with gains between 6 and 9 dB.
Moreover, aluminum foil is required for a home-based method of enhancing directional antennas. Place a small piece of foil directly beneath the antenna.
All radiation focused at the metal sheet is reflected in the opposite direction, boosting the network signal in that direction.
Single-antenna routers with MIMO capability are an ideal solution for two- or three-room households. Choose a router with a high gain antenna, though.
Nevertheless, devices such as mobile phones function better when linked to routers with at least two antennas, as these devices utilize a 22 MIMO scheme.
Multiple antennas are optimal for larger structures or homes with a large number of streamers.
ThioJoe has a video with a buyer’s guide if you wish to learn which sort of antenna is best for you: