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Flexible black rubber duck antenna with RP-SMA plug

Rfwel Infra

Rfwel Infra Dual Band 2.4/5 GHz Wi-Fi Antenna 7 dBi RP-SMA

SKU CH-YJ9E-NV94Q

Dual-band 2.4/5 GHz Wi-Fi antenna with 7 dBi gain and RP-SMA connector for Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6 routers

  • TypeAntenna
  • Dual-band 2.4 GHz and 5 GHz coverage extends Wi-Fi reach
  • 7 dBi gain focuses signal for stronger links
  • RP-SMA male plug fits routers with RP-SMA female jacks
  • Flexible rubber-duck design tilts and swivels for optimal aim
  • Works with Wi-Fi 4, Wi-Fi 5 and Wi-Fi 6 equipment

Dual-band Wi-Fi replacement antenna

This dual-band antenna replaces the stock whip on routers and access points that use an RP-SMA female jack. It covers the 2.4 GHz and 5 GHz unlicensed bands used by Wi-Fi 4, Wi-Fi 5 and Wi-Fi 6 equipment. The flexible rubber-duck body tilts and swivels so you can orient the element for best coverage. Installation is a simple screw-on swap with no tools required.

Passive element with 7 dBi gain

As a passive antenna it draws no power and adds no fan noise or heat to the system. The 7 dBi figure represents directional gain over an isotropic radiator, concentrating signal toward the horizon rather than boosting total output power. Because it is receive-reciprocal, both transmit range and receive sensitivity improve in the favoured direction. No driver, firmware or configuration change is needed on the host device.

Upgrade for fixed or low-gain stock antennas

The jump is worth it when the supplied antennas are non-removable, limited to 2 dBi or mounted in a metal enclosure that blocks radiation. It also helps when a single access point must reach a distant room or outdoor area without adding a second node. Buyers who need MIMO streams beyond what one element provides, or who require a weather-sealed outdoor radome, should look for multi-element or IP-rated kits instead.

Highlights

  • Dual-band 2.4 GHz and 5 GHz coverage extends Wi-Fi reach
  • 7 dBi gain focuses signal for stronger links
  • RP-SMA male plug fits routers with RP-SMA female jacks
  • Flexible rubber-duck design tilts and swivels for optimal aim
  • Works with Wi-Fi 4, Wi-Fi 5 and Wi-Fi 6 equipment

Specifications

TypeAntenna

Questions about this item

How do I install the RP-SMA male connector on my router's antenna port?

Screw the RP-SMA male plug clockwise onto the router's RP-SMA female jack until finger-tight; the reverse-polarity pin must align with the jack's centre socket, and over-tightening with tools can strip the threads.

What maintenance will the flexible rubber duck antenna need over time?

The flexible rubber duck radome can be wiped clean with a damp cloth; inspect the hinge for stiffness and the RP-SMA threads for corrosion, replacing the antenna if the swivel loosens or the connector shows green oxidation.

What is the first performance limit I will hit during sustained high-throughput use on the 2.4 GHz band?

The 7 dBi gain focuses signal horizontally, so extended range comes at the cost of reduced vertical coverage; clients directly above or below the antenna will see weaker signal before the radio's own thermal limits are reached.

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