GW.11.A153 Datasheet, PDF (2/13 Pages) Taoglas antenna solutions – IP65 at SMA Connector

1. Introduction
The GW.11 2.4 GHz dipole RP-SMA plug mount antenna is ideal for 2.4 GHz
wireless applications such as Bluetooth and Wireless LAN. At only 84mm in length
omni-directional 2.3dBi gain across all bands ensures constant reception and
transmission. The antenna structure is designed for robust handling and the
housing is made with TPE giving superior environmental reliability and a quality
finish. The antenna can be rotated 90 degrees on the base hinge for ease of
placement.
Many module manufacturers specify peak gain limits for any antennas that are to
be connected to that module. Those peak gain limits are based on free-space
conditions. In practice, the peak gain of an antenna tested in free-space can
degrade by at least 1 or 2dBi when put inside a device. So ideally you should go for
a slightly higher peak gain antenna than mentioned on the module specification to
compensate for this effect, giving you better performance.
Upon testing of any of our antennas with your device and a selection of appropriate
layout, integration technique, or cable, Taoglas can make sure any of our
antennas’ peak gain will be below the peak gain limits. Taoglas can then issue a
specification and/or report for the selected antenna in your device that will clearly
show it complying with the peak gain limits, so you can be assured you are meeting
regulatory requirements for that module.
For example, a module manufacturer may state that the antenna must have less
than 2dBi peak gain, but you don’t need to select an embedded antenna that has a
peak gain of less than 2dBi in free-space. This will give you a less optimized
solution. It is better to go for a slightly higher free-space peak gain of 3dBi or more
if available. Once that antenna gets integrated into your device, performance will
degrade below this 2dBi peak gain due to the effects of GND plane, surrounding
components, and device housing. If you want to be absolutely sure, contact
Taoglas and we will test. Choosing a Taoglas antenna with a higher peak gain than
what is specified by the module manufacturer and enlisting our help will ensure you
are getting the best performance possible without exceeding the peak gain limits.
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