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Freedom FXP72 2.4GHz Flex PCB Antenna, 53mm Ø1.13, I-PEX MHF® I (U.FL)


Freedom – 2.4GHz Flex Circuit PCB Antenna
Ground Coupling Effect
Peak Gain 5dBi(-0.5dBi free space), Efficiency 70%
Ø1.13, 53mm cable, I-PEX MHF® I (U.FL comp)
Dims: 31*31*0.1mm

Image FXP72.07.0053A


Freedom FXP72 2.4GHz Flex PCB Antenna, 53mm Ø1.13, I-PEX MHF® I (U.FL)


Ground Coupled Antenna

The FXP72 Freedom 2.4GHz Antenna works on WiFi, ZigBee, Bluetooth and ISM band at 2.4GHz. This antenna has been designed with a specific characteristic of having a ground coupling effect in between the antenna and the device’s board, suitable for those devices where there is no clearance in between the enclosure and the board, keeping the antenna performance. The Antenna can be placed above or below of the device’s board, but leaving the radiated elements of the antenna free of metal. This design can work on different thickness and plastic materials. We have selected a piece of ABS plastic with 1.5 mm of thickness for testing. 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. To ensure antenna performance contact Taoglas for testing services. 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.

Technical Specification
Name Value
RoHS Yes
Antenna Type Embedded Antennas, Wi-Fi/Bluetooth
Mechanical Style Flex PCB
Gain (Max) -0.5
Impedance 50
Minimum Operating Temperature -40°C
Maximum Operating Temperature 85°C
Mounting Style Adhesive
Termination Style Connector
Antenna Connector Type I-PEX MHFI
Cable Type 1.13 Coax
Connector Body Style Straight
Polarity Linear
Frequency Range 2400-2500MHz
Connector Polarity Normal
Cable Length (mm) 53
Packaging Carton
Wi-Fi Bands 2.4GHz
Length (mm) 31
Width (mm) 30.4
Height (mm) 0.1
Weight (g) 1.2

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