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This Seeed 2.4 GHz flexible FPC antenna with IPEX 4 connector is designed for the XIAO nRF54L15, offering 1.86 dBi gain to improve BLE stability and extend range in a slim, space-saving form factor.
This Seeed 2.4 GHz flexible FPC antenna is designed specifically for the Seeed Studio XIAO nRF54L15, providing a compact and reliable external antenna option. With a gain of 1.86 dBi and an IPEX 4 connector, it offers a simple way to improve wireless performance without increasing the size of your project.
By moving the antenna outside the board, BLE link stability is noticeably improved, and operating range can be extended, making it especially useful in space-constrained or enclosed designs. The slim, flexible form factor allows the antenna to be positioned for optimal signal performance, while the Ø0.81 × 50 mm coaxial cable keeps installation tidy and unobtrusive.
This antenna is well suited to BLE applications where consistent connectivity and compact design are important, such as wearables, smart sensors, and portable devices built around the XIAO nRF54L15.
We also sell the XIAO nRF52840 & Wio-SX1262 Kit for Meshtastic which you can grab here.
Designed for Seeed Studio XIAO nRF54L15
Mini external antenna optimised to enhance the 2.4 GHz wireless performance of the compact XIAO nRF54L15. Real-world testing shows communication distances of up to 180 m in open outdoor environments.
Bluetooth LE 6.0 Channel Sounding Support
Improves link budget and radiation characteristics, enhancing stability and accuracy for Bluetooth distance and ranging applications on the XIAO nRF54L15.
Improved Bluetooth Stability
Matched to 50 Ω with VSWR ≤ 2.0 across 2400–2500 MHz, ensuring stable, low-loss BLE connectivity.
High Efficiency and Extended Range
Provides up to 1.86 dBi peak gain (at 2430 MHz) and 67.6% maximum efficiency (at 2450 MHz) for stronger 2.4 GHz signal coverage.
Slim and Flexible Integration
Flexible FPC antenna with Ø0.81 × 50 mm coaxial cable and IPEX 4 connector, plus 3M adhesive backing for easy mounting on non-conductive surfaces in space-constrained designs.
| Frequency Range | 2400–2500 MHz |
| Impedance | 50 Ω |
| Max Efficiency | 67.6% @ 2450 MHz |
| VSWR | ≤ 2.0 |
| Polarization | Linear |
| Dimensions | 35.2 × 8.5 mm |
| Cable | RG0.81 mm, 50 mm length |
| Connector | IPEX 4 |
| Operating Temp | -40 °C ~ +85 °C |
| Material Substance Compliance | REACH/RoHS Compliance |
| Supplier Code | 100039813 |










