Image not available
Illustrative purposes only
W3920B0050
RF Antenna, 4.9 to 5.925 GHz, PCB, 3 dBi, 50 ohm, Adhesive
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: PULSE ELECTRONICS
- Product type:
- Gain: 3dBi
- SVHC: No SVHC (04-Feb-2026)
- VSWR: 2
- Input Power: 2W
- Antenna Type: PCB
- Frequency Max: 5.925GHz
- Frequency Min: 4.9GHz
- Product Range: -
- Input Impedance: 50ohm
- Antenna Mounting: Adhesive
- Antenna Polarisation: Linear
| Delivery and price | |
|---|---|
| Units per pack | 1540 |
| Price | 1.01 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **Features:** - 4900-7125 MHz - Size 12.5 X 7.6 X 0.15 mm - Efficiency > 60% - VSWR < 2 - Nominal impedance 50 - Cable and connector can be customized ## **Applications:** - WiFi 6E, 802.11ax - DSRC - ISM band radios - IoT, M2M ## All dimensions are in mm / inches ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. For more information: Pulse Worldwide Headquarters 12220 World Trade Drive San Diego, CA 92128 USA Tel:1-858-674-8100 Pulse/Larsen Antennas Europe Headquarters 18110 SE 34[th] St Bldg 2 Suite 250 Pulse GmbH & Do, KG Vancouver, WA 98683 Zeppelinstrasse 15 USA Herrenberg, Germany Tel: 1-360-944-7551Tel: 49 7032 7806 0 Pulse (Suzhou) Wireless Products Co, Inc. 99 Huo Ju Road(#29 Bldg,4[th] Phase Suzhou New District Jiangsu Province, Suzhou 215009 PR China Tel: 86 512 6807 9998 1 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** Antenna Type Dipole Frequency 4900-7125MHz Nominal Impedance 50 Return Loss 4900-7125MHz<-7db Radiation Pattern Omni Gain 4+/-1dBi@4900-7125MHz Efficiency 60%@4900-7125MHz Polarization Linear Power Withstanding 5W ## _**(*) All RF parameters measured on 2mm thick PC plate**_ Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. ## CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. For more information: Pulse Worldwide Headquarters 12220 World Trade Drive San Diego, CA 92128 USA Tel:1-858-674-8100 Pulse/Larsen Antennas Europe Headquarters Pulse (Suzhou) Wireless Products Co, Inc. 18110 SE 34[th] St Bldg 2 Suite 250 Pulse GmbH & Do, KG 99 Huo Ju Road(#29 Bldg,4[th] Phase Vancouver, WA 98683 Zeppelinstrasse 15 Suzhou New District USA Herrenberg, Germany Jiangsu Province, Suzhou 215009 PR China Tel: 1-360-944-7551Tel: 49 7032 7806 0 Tel: 86 512 6807 9998 2 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **==> picture [185 x 12] intentionally omitted <==** **----- Start of picture text -----**<br> PART NUMBER: W3920Bxxx<br>**----- End of picture text -----**<br> **==> picture [385 x 338] intentionally omitted <==** **----- Start of picture text -----**<br> MECHANICAL SPECIFICATIONS<br>Radiator material FPC<br>Color Black<br>Adhesive 3M467<br>Thickness(with adhesive, no liner) 0.15 mm<br>Weight 0.21 g<br>FPC size(L X W X T) 12.5 X 7.6 X 0.15 mm<br>ENVIRONMENTAL SPECIFICATIONS<br>Operating temperature -40/+85 °C<br>**----- End of picture text -----**<br> ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 3 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** W3920B0050 50mm 1.13mm OD cable W3920B0100 100mm 1.13mm OD cable U.FL compatible connector U.FL compatible connector ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 4 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** ## **PART NUMBER: W3920Bxxx** ## **MECHANICAL DRAWING** **==> picture [15 x 170] intentionally omitted <==** **----- Start of picture text -----**<br> LENGTH OPTIONAL<br>**----- End of picture text -----**<br> ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 5 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **CHARTS** ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Test Setup ## Issue: 2020 6 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **CHARTS** ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Return Loss ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION COMPLIANT This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 7 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **CHARTS** ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Efficiency ## Issue: 2020 This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 8 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **CHARTS** ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Gain ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 9 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** ## **PART NUMBER: W3920Bxxx** ## **CHARTS** ## Radiation Patterns 4900-5900MHz **==> picture [94 x 77] intentionally omitted <==** **----- Start of picture text -----**<br> Y<br>Z v i ;<br>X<br>**----- End of picture text -----**<br> ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 10 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** ## **PART NUMBER: W3920Bxxx** ## **CHARTS** ## Radiation Patterns 6000-7125MHz **==> picture [13 x 14] intentionally omitted <==** **----- Start of picture text -----**<br> Y<br>**----- End of picture text -----**<br> **==> picture [85 x 23] intentionally omitted <==** **----- Start of picture text -----**<br> Z<br>e X<br>**----- End of picture text -----**<br> ## _**(*) All RF parameters measured on 2mm thick PC plate**_ ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 11 ## **Description: 4.9-7.125G FPC antenna** ## **Series: Internal Antenna** **PART NUMBER: W3920Bxxx** ## **PACKAGING** ## 10PCS/PE bag 10 PE bag/foam bag 50 foam bag/ carton box ## Total 5000PCS/Carton box ## Issue: 2020 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION This document contains confidential and proprietary information of Pulse Electronics, Inc. (Pulse) and is protected by copyright, trade secret and other state and federal laws. Its receipt or possession does not convey any rights to reproduce, disclose its contents, or to manufacture, use or sell anything it may describe. Reproduction, disclosure or use without specific written authorization of Pulse is strictly forbidden. 12
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.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →