i-FlexPIFA™ Series Inverted Flexible PIFA Antennas

Overview
This industry-first inverted FlexPIFA™ (i-FlexPIFA™) antenna design (patented) delivers strong performance in challenging environments, providing you unmatched flexibility to solve your real-world antenna design challenges. Designed for rapid integration into space-constrained devices and housings, the flexible, adhesive backed antennas are available with MHF1 and MHF4L connector options.
The i-FlexPIFA series is designed with the radiating element facing outward when adhered to a plastic enclosure interior. This orientation gives more flexibility by granting different mounting options, like the underside of an enclosure. The i-FlexPIFA outperforms competitors’ solutions in these orientations, expanding the FlexPIFA family offerings.
We offer a range of i-FlexPIFA antennas including our latest, the i-FlexPIFA Mini. It brings our innovative inverted PIFA technology to even more space-constrained enclosures, offering outward-radiating 2 dBi performance at a tiny 35.9 x 11 mm footprint.
i-FlexPIFA antenna technology provides consistent performance across the 2.4GHz ISM band, always ensuring a solid and reliable connection.
- Coverage – 2.4GHz-2.48GHz Operation.
- Performance – Exceptional performance with 3.1 dBi gain and 2.5:1 VSWR, outperforming competitors’ solutions.
- Versatile – Flexible, peel-and-stick adhesive backed antenna for a variety of space-constrained IoT devices.
- Reliable – PIFA technology is easy to integrate into IoT devices and less likely to detune in proximity of metal or a human body.
- Quality – Designed and built to exacting specifications.
A patent application is pending for this product:
US Patent Application 20250118898
New Mounting Options
The i-FlexPIFA introduces new mounting options to our popular line of FlexPIFA internal antennas. The i-FlexPIFA is designed to radiate on the adhesive side, meaning OEMs can easily mount directly to the inside of the forward or top-facing part of their enclosure. The i-FlexPIFA is designed to give superior performance and reliability in this orientation and give OEMs another option for mounting wireless 2.4 GHz antennas inside their design.

Specifications
Connectivity
Packaging
Environment
Power
| Part Number | Price @ 1K | Antenna Connector Type | Antenna Type | Cable Length (cm) | Frequency Range (Max) | Frequency Range (Min) | Gain (max) | Wi-Fi Ports |
|---|---|---|---|---|---|---|---|---|
EFG2400A3S-10MH4L Active Buy Options | N/A | MHF4L R/A Plug | Internal/Embedded | 10 cm | 2485 MHz | 2400 MHz | 3.1 dBm | 1 |
EFG2400A3S-10MHF1 Active Buy Options | N/A | MHF1 R/A Plug (U.FL compatible) | Internal/Embedded | 10 cm | 2485 MHz | 2400 MHz | 3.1 dBm | 1 |
EFG2401A3S-10MH4L Active Buy Options | N/A | MHF4 | Internal/Embedded | 10 cm | 2480 MHz | 2400 MHz | 2.0 dBm | 1 |
EFG2401A3S-10MHF1 Active Buy Options | N/A | MHF1 | Internal/Embedded | 10 cm | 2480 MHz | 2400 MHz | 2.0 dBm | 1 |
Documentation
Browse Datasheets, Documentation, Product Briefs and Technical Drawings in our Support & Documentation Center.




/filters:background_color(white)/2024-10/i-FlexPIFA-21.4-EFG2400A-view3.png)
/filters:background_color(white)/2024-08/EFG2401A-2%20%281%29.png)