Best WiFi Antenna for Routers and PCI Cards

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I have written articles on the best PCIe WiFi cards and external USB adapters. In this article, I will provide you with a list of the best WiFi antennas that you can use with your wireless devices.

Whether you want to boost the signal reception of your existing wireless devices (by replacing the stock antennas) or replace a broken antenna. The antennas mentioned here can get the job done without any hassle.

Here’s the summary of best WiFi antenna for Routers and PCIe cards:

WiFi AntennaLink To Product
Eightwood Dual WiFi AntennaSee details at Amazon
Bearifi BearExtender WiFi AntennaSee details at Amazon
Alfa 9dBi WiFi AntennaSee details at Amazon
Alfa APA-M25 Directional AntennaSee details at Amazon
Highfine 2 x 6dBi Dual Band WiFi AntennaSee details at Amazon

Note: Before purchasing, check the connector type of the device you plan to connect these antennas to. All of these devices have RP-SMA Male connectors (Male connectors without a pin in the center). It supports most devices on the market. However, if that’s not the case with you, then you may need to buy the appropriate connector cable.

Best WiFi Antenna for Routers and PCIe Cards

1. Eightwood Dual WiFi Antenna

eightwood wifi antenna for routers
Source: Eightwood

The first on this list is Eightwood Dual WiFi antenna. It’s an omnidirectional indoor antenna with 6dBi Gain and dual-band (2.4GHz and 5GHz) support.

It supports 802.11 b/g/n/ac wireless standards and has a magnetic base for an easy mount on metal surfaces. The antennas are bendable, so you can adjust their angles for maximum signal reception.

Eightwood dual WiFi antenna is a great replacement for your existing antenna of your PCIe WiFi card, external USB WiFi adapter or wireless range extenders.

Moreover, it is compatible with wireless security cameras, car trailer tractor backup cameras, rearview cameras, FPV Goggles, FPV receiver, FPV camera and FPV Drone controller.


  • Omnidirectional indoor WiFi antenna.
  • 6dBi Gain and Dual Band (2.4GHz and 5GHz) support.
  • Support 802.11 b/g/n/ac wireless standards.
  • Dual RP-SMA Male Antenna connector.
  • Long Dual Cables with Bendable Stub Antennas.
  • Magnetic base for easy mount on metal surfaces.

Shop now at Amazon

2. Bearifi BearExtender Heavy Duty 7 dBi WiFi Antenna

Bearify wifi antenna for routers

Bearifi BearExtender is a 7dBi omnidirectional WiFi antenna. Unlike the previous Eightwood antenna, this one operates in a single band (2.4 GHz only).

The 9-inch detachable antenna can be easily docked on the magnetic base that is included in the package and can be connected to your device using the 11 ft. (3.5 meters) extension cable. With this, you can place the antenna anywhere where you can get the maximum signal reception.

Although, the company says that this antenna requires a compatible Wi-Fi receiver like BearExtender PC USB adapter or compatible router to function. However, that’s not the case, it works with most USB adapters, routers or PCIe WiFi cards without any problems.


  • 7dBi Omnidirectional Indoor WiFi antenna.
  • Supports 2.4 GHz frequency only.
  • Detachable antenna for hassle-free travel.
  • RP-SMA connector.
  • Premium shielded coaxial cable to reduce signal gain loss.
  • Magnetic base with 11 ft. extension cable.

Shop now at Amazon

3. Alfa 9dBi WiFi SMA Omni-Directional Antenna

Alfa ARS-N19

If you were ever in the market for USB WiFi adapters for Kali Linux, then you may have heard the name Alfa. They make great network peripherals including WiFi antennas.

This one is a 9dBi Omni-Directional Antenna that works with most routers, access points, VOIP devices, or PCIe cards without any hassle. Alfa ARS-N19 antenna is a great replacement for your device’s stock antenna when it comes to boosting the range.

Moreover, this antenna is also compatible with 3DR Solo Drone, DJI Phantom 3 Drone and Yuneec Typhoon H ST16 controller.

The only negative is that it only operates in the 2.4GHz band. If that’s not a problem for you, then this antenna will be a great addition/replacement for your wireless devices.


  • 9dBi gain omnidirectional indoor antenna.
  • Operates only in the 2.4GHz frequency band.
  • RP-SMA connector.
  • Works with most routers, access points, VOIP devices, or PCIe cards.
  • Easy and hassle-free installation.

Shop now at Amazon

4. Alfa APA-M25 10dBi Directional Antenna


Another Alfa device on this best WiFi antenna for routers list. Alfa APA-M25 is a dual-band directional antenna.

Since this is a directional antenna, you have to point it in the right direction to get the proper signal reception. This antenna has a 16-degree vertical and 66-degree horizontal beamwidth.

APA-M25 offers 8dBi gain on the 2.4 GHz band and 10dBi gain on the 5 GHz band. As for the connector it uses the RP-SMA connector. Just like the previously mentioned Alfa antenna, this one also works with most routers, access points, VOIP devices and PCI cards.

Moreover, you can also use Alfa APA-M25 with 3DR Solo Drone, DJI Phantom 3 Drone and Yuneec Typhoon H ST16 controller.

If you are in the market for a directional WiFi antenna to use with your wireless router, then give APA-M25 a try.


  • Dual-Band directional antenna.
  • 10dBi gain on 5 GHz and 8dBi on 2.4 GHz band.
  • RP-SMA connector.
  • 16 degrees vertical and 66 degrees horizontal beamwidth.
  • Works with most routers, access points, VOIP devices and PCI cards.

Shop now at Amazon

5. Highfine 2 x 6dBi Dual Band WiFi RP-SMA Antenna

Highfine wifi antenna for routers
Source: Highfine

The last on the list is Highfine 6dBi dual-band WiFi antenna. It is a low priced antenna that comes in pairs.

Highfine antenna is compatible with most branded routers and PCI-e cards. This omnidirectional antenna can be adjusted to multiple angles for better signal reception.

The best part about this antenna is that it ships with U.fl/IPEX to RP-SMA cable. You can use the IPEX connectors to connect this antenna to Mini PCI-e interface cards.


  • 6dBi Dual Band (2.4 and 5GHz) WiFi antenna.
  • Included U.fl / IPEX to RP-SMA Antenna WiFi Wireless WAN Pigtail Cable.
  • Compatible with Wireless Routers, PCI Cards and Mini PCIe interface cards.
  • RP-SMA connector.

Shop now at Amazon


This concludes the list of best WiFi Antenna for Routers and PCIe cards. I hope this list will help you choose a good aftermarket antenna that you can use with your router or PCIe card.

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Rahul R Nair

Rahul is obsessed with technology and electronic devices. He is also the founder of TechSphinx. Being a technophile, he is always busy doing some techy stuff or learning about the latest technologies. When not busy with his usual routine (staring at the computer screen) he likes to write and share his knowledge with the world.