Antenna 2.4GHz 4dBi Omni Directional & Directional RP-SMA


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Antenna 2.4GHz 4dBi Omni Directional & Directional Versions

This type of WiFi antenna is called a dipole antenna, sometimes called "rubber duck" antenna.

The very low V.S.W.R of this antenna is indicative of a very efficient, high-performance antenna. Lower VSWR is better.

Compatible with Wireless Access Points & other wireless devices that have RP-SMA antenna jacks

Compatibility with wireless standards & applications: This omni directional antenna's range of frequency band compatibility in the 2.4 ~ 2.5GHz frequency band range, its its excellent low broadband VSWR at < 1.5, and impedance matching to 50 Ohm gear, makes it suitable and compliant for all the following applications:

A low gain (4dBi) omni-directional antenna like this provides a strong signal in every direction Intended for short range networks: Reaches everyone within its range. If you are in a building and need to cover the rooms around you then your best options is a 4dbi dipoleantenna, as it ensures coverage equally in all directions.


Polarization: Linear Vertical
VSWR: <1.5:1
Max Power: 50W
Impedance: 50 Ω
Weight: 24g (.9oz)
Size: L160×W17.8×H13.7mm
(6.3 x .70 x .5 inches)

ROHS 3 & REACH compliant: Antenna, cable and adapters are all compliant with ROHS 3 and REACH.

RP-SMA Connector Characteristics:

  • RP-SMA = Reverse Polarity SMA. Also known as SMA-RP, SMA-R, SMA RP, SMA R.
  • RP-SMA and SMA gender is counter-intuitive: The gender is referring to the pins inside-not the threads. RP-SMA male has threads on inside. More details regarding RP-SMA gender determination.
  • RP-SMA-male and SMA is also called "plug" and the respective female connectors are also called a "jack."
  • RP-SMA is a round screw-type connectors, with medium-sized, threaded coupling connectors that are rated for frequencies from the lowest (DC) up to 18GHz.
  • Composition
  • We offer an RP-SMA wrench to assist in installing antennas, cables and adapters with SMA or RP-SMA connector(s).
  • RP-SMA-maleconnector fits items that have an RP-SMA (female) jack/connector.
  • Articulating (Bendable) Right Angle: This antenna can be angled up to 90 degrees (articulating right angle) or positioned straight. The articulating (bendable) right-angle isn’t weatherproof: Water can seep into the angled part of the antenna. Articulating right-angle antennas are therefore recommendable for indoor use or protected outdoors, i.e. under an eave. If you need a weatherproof dipole antenna, you should choose either a straight dipole or one with a fixed right angle. See our weatherproof antennas .




All of our antennas pass QC test before we ship them.

Customer Q&A and Comments