We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two black dual-band WiFi antennas with magnetic RP-SMA bases

PISKEKAT

PISKEKAT Server Rack WiFi Antenna Dual Band 2.4GHz 5.8GHz RP-SMA Magnetic Base

SKU CH-51NJ-089Z8

Dual-band 2.4 and 5.8 GHz antennas with magnetic-base RP-SMA connectors extend wireless range to dead spots

  • TypeServer
  • Dual-band 2.4 and 5.8 GHz coverage supports 802.11 B/G/N/AC devices
  • Two 6 dBi antennas extend wireless range into dead spots
  • Gold-plated RP-SMA swivel connectors ensure secure, low-loss signal path
  • Magnetic base allows flexible placement on metal racks or cabinets
  • Drop-in replacement for existing antennas boosts signal strength instantly

Dual-band server-rack antenna

This dual-band antenna operates at 2.4 GHz and 5.8 GHz and connects through a gold-plated RP-SMA screw-on swivel connector. It is designed for server racks and cabinets where wireless routers, USB adapters, PCI or PCIe cards, access points or range extenders need stronger coverage. The magnetic base allows quick mounting on any ferrous surface inside the rack.

Thermals noise and power

The antenna is a passive component so it draws no power and generates no heat or noise during operation. Signal gain is rated at 6 dBi for each frequency band, improving link quality without adding active circuitry. Because there are no moving parts or electronics, thermal management and acoustic impact are not concerns in the rack environment.

Build connectors and mounting

Two RP-SMA female antennas are supplied, each with a gold-plated swivel joint that lets you orient the element for best reception. The magnetic base holds the assembly firmly to steel rack rails or cabinet walls without tools or drilling. This mounting method suits temporary test setups and permanent installations alike while keeping cabling tidy.

Highlights

  • Dual-band 2.4 and 5.8 GHz coverage supports 802.11 B/G/N/AC devices
  • Two 6 dBi antennas extend wireless range into dead spots
  • Gold-plated RP-SMA swivel connectors ensure secure, low-loss signal path
  • Magnetic base allows flexible placement on metal racks or cabinets
  • Drop-in replacement for existing antennas boosts signal strength instantly

Specifications

TypeServer

Questions about this item

How do I attach the magnetic-base antennas to my server rack and which orientation mistake should I avoid?

Screw each gold-plated RP-SMA connector onto the device's RP-SMA jack, then place the magnetic base on a flat ferrous surface; tilting the swivel so the antenna points horizontally instead of vertically reduces the 6 dBi gain pattern.

What part will need replacement first and how will I know it is time?

The RP-SMA centre pin can loosen after repeated screw-on cycles, causing intermittent signal; if range drops back to the original dead-spot level, replace the antenna pair.

Which thermal or power limit appears first when the antennas run continuously at 2.4 and 5.8 GHz?

Passive antennas have no thermal or power limit; sustained use is only constrained by the connected radio's duty cycle, not by the antenna itself.

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.