SWA4389
Flexible PCB Antenna, 860 to 930MHz, ISM / IoT / M2M, 3dBi, 50 ohm, Linear
- Manufacturer: PULSE ELECTRONICS
- Product type:
- Gain: 3dBi
- SVHC: No SVHC (04-Feb-2026)
- VSWR: 3.5
- Input Power: -
- Antenna Type: ISM / IoT / M2M
- Frequency Max: 930MHz
- Frequency Min: 860MHz
- Product Range: -
- Input Impedance: 50ohm
- Antenna Mounting: Adhesive / I-Pex MHF4L Connector
- Antenna Polarisation: Linear
| Delivery and price | |
|---|---|
| Units per pack | 500 |
| Price | 0.948 € |
| Current stock | 500+ |
| Lead time | 30 days |
**868/915MHz PFC ANTENNA** _**SWA4389**_ ## _Features & Applications:_ ## _Flexible PCB Antenna_ _I-PEX MHF 4L connector with 100mm cable Cable and connector can be customized_ _Devices with ISM 868MHz / 915MHz radios_ _M2M, IoT_ _Metering, Industry automation_ |||**ELECTRICAL SPECIFICATIONS @ 25**°C|**ELECTRICAL SPECIFICATIONS @ 25**°C|| |---|---|---|---|---| ||||**General Specifications**|| |**Antenna type**||**Nominal Impedance**<br>**Polarization**||**Radiation pattern**| |Dipole||50Ω<br>Linear||Omni| |||||| |**Frequency (MHz)**|||860~930 MHz|| |**Return Loss**|**Return Loss**||<-5dB|| |**VSWR**|||< 3.5|| |**Efficiency (%) (pasted on 1.5mm**||**Efficiency (%) (pasted on 1.5mm**|860 - 870MHz band: 35%|| |**thicknessplasticplate）**|||900 - 930MHz band: 37%|| |**Gain (dBi) (pasted on 1.5mm thickness**||**Gain (dBi) (pasted on 1.5mm thickness**|860 - 870MHz band: 2.8±0.2dBi|| |**plastic plate）**|||900 - 930MHz band: 3.0±0.2dBi|| |||**MECHANICAL SPECIFICATIONS**|**MECHANICAL SPECIFICATIONS**|**MECHANICAL SPECIFICATIONS**|| |---|---|---|---|---|---| |**SWA4389**|||||| |**FPC Dimension**<br> **(Length x Width)**|**FPC Dimension**<br>**Color**||**Cable OD**|**Connector Type**|**Cable length**| |37mm x 9mm|Black||1.13mm|IPEX MHF 4L|100mm| ||**ENVIRONMENTAL SPECIFICATIONS**|**ENVIRONMENTAL SPECIFICATIONS**|| |---|---|---|---| |**SWA4389**|||| |**Storage Temperature**||**Operating Temperature**|**RoHS Compliant**| |-40/+85°C||-40/+85°C|Yes| PulseElectronics.com **1** A es SWA4389 (Rev 01) ## **868/915MHz PFC ANTENNA** _**SWA4389**_ ## Mechanical Drawing **==> picture [49 x 9] intentionally omitted <==** **----- Start of picture text -----**<br> SWA4389<br>**----- End of picture text -----**<br> Units: mm SWA4389 (Rev 01) PulseElectronics.com **2** **868/915MHz PFC ANTENNA** _**SWA4389**_ ## Application Specification ## ~~ee~~ SWA4389 During the assembly of the antenna in a device, the cable needs to be positioned away from the antenna flex to achieve the best performance. The cable must be away from the flex edge at least 5mm as shown in figure 1. If the cable bends into the antenna flex, the antenna performance will be degraded. Figure 1 Cable Bending Figure 2 Cable Activity Range PulseElectronics.com **3** A es SWA4389 (Rev 01) **868/915MHz PFC ANTENNA** _**SWA4389**_ SWA4389 ~~es~~ ## Test setup (pasted on 1.5mm thickness plastic plate) SWA4389 (Rev 01) PulseElectronics.com **4** **868/915MHz PFC ANTENNA** _**SWA4389**_ ## - Charts Antenna Return loss & VSWR **==> picture [46 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> SWA4389<br>**----- End of picture text -----**<br> SWA4389 (Rev 01) PulseElectronics.com **5** **868/915MHz PFC ANTENNA** _**SWA4389**_ ## – Charts Efficiency & Peak Gain ## SWA4389 SWA4389 (Rev 01) PulseElectronics.com **6** **868/915MHz PFC ANTENNA** _**SWA4389**_ ## – Charts Antenna Radiation Gain Pattern **==> picture [46 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> SWA4389<br>**----- End of picture text -----**<br> SWA4389 (Rev 01) PulseElectronics.com **7** **868/915MHz PFC ANTENNA** _**SWA4389**_ ## PACKAGING ## SWA4389 ~~ee~~ ## 1. 10 Pcs/PE bag ## 2. 10 PE bags in a group ## 3. 60 groups in a box ## 4. Total 6000 pcs/Carton box ## Carton box size: 460mm*235mm*140mm. ## For More Information: Americas - antennas.us@pulseelectronics.com | Europe – antennas.eu@pulseelectronics.com | Asia – antennas.as@pulseelectronics.com | Questions? +1-800-ANTENNA Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. © Copyright , 2020. Pulse Electronics, Inc. All rights reserved. Company address: Pulse Electronics, a YAGEO Company, 15255 Innovation Drive, Suite #100, San Diego, CA 92128 ## ‘ _**YAGEO Corporation and its affiliates do not recommend the use of commercial, automotive, and/or COTS grade products for high reliability applications or manned space flight.’**_ SWA4389 (Rev 01) PulseElectronics.com **8**
Updated at June 9, 2026
Pulse Electronics, a YAGEO company, is a global leader in the design and manufacturing of passive electronic components. With a legacy of innovation dating back to 1956, the company provides essential technology for the communications, computing, industrial, transportation, and IoT sectors. Pulse is recognized worldwide for delivering high-performance solutions that power advanced applications, ranging from 5G networks and electric vehicles to data centers and smart grids. The company's extensive product portfolio is heavily anchored in power and networking magnetics. This includes a comprehensive range of power inductors engineered for exceptional efficiency and reliability in demanding environments. To address complex electromagnetic compatibility challenges, Pulse also manufactures highly effective EMC and RFI suppression solutions, such as common mode chokes and filters, alongside specialized toroidal and RF inductors designed to ensure clean power delivery and optimal signal integrity. Beyond traditional magnetics, Pulse excels in the development of advanced wireless and power conversion components. Their connectivity solutions feature a wide array of high-performance RF antennas and single-band chip antennas tailored for modern connected devices. Furthermore, to support sophisticated power architectures, Pulse provides a broad spectrum of transformers—encompassing PCB-mounted designs, current sensing transformers, and precise pulse transformers—equipping engineers with robust, industry-proven components for power isolation and measurement.
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