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W3118A
Antenna, Helical, 869 MHz to 894 MHz, to1 dBi, Vertical, SMD
⚠️ 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: -1dBi
- SVHC: No SVHC (04-Feb-2026)
- VSWR: -
- Input Power: 3W
- Antenna Type: Helical
- Frequency Max: 894MHz
- Frequency Min: 869MHz
- Product Range: Helical SMD Antenna Series
- Input Impedance: 50ohm
- Antenna Mounting: SMD
- Antenna Polarisation: Vertical
| Delivery and price | |
|---|---|
| Units per pack | 500 |
| Price | 0.966 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **Features:** - Vertical mount on board - Compact size W x L x H (2.5 x 8 x 8 mm) - Low weight (390 mg) - Lead Free materials - Fully SMD compatible - Glue needed between antenna and PCB - Lead free soldering compatible - Tape and reel packing ## **Applications:** - GSM Cellualr 850 Band - 869-894 MHz - ISM 868 MHz ## Issue: 2046 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 Pulse/Larsen Antennas Europe Headquarters 15255 Innovation Drive #100 18110 SE 34[th] St Bldg 2 Suite 250 Pulse GmbH & Do, KG San Diego, CA 92128 Vancouver, WA 98683 Zeppelinstrasse 15 USA USA Herrenberg, Germany Tel:1-858-674-8100 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** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** |Frequency||869-894MHz| |---|---|---| |Nominal Impedance||50| |Return Loss||＜-9 dB| |Radiation Pattern||Omni| |Gain||-1dBi| |Efficiency||35%| |Polarization||Vertical| |Power Withstanding||3W| ||**MECHANICAL SPECIFICATIONS**|| |Dimension||2.5 x 8 x 8 mm| |Weight||0.39 g| |Antenna Materia Plastic : LCP|Antenna Materia Plastic : LCP|Antenna Materia Plastic : LCP| ||Helix : Sn Plated Spring Steel|Helix : Sn Plated Spring Steel| ||**ENVIRONMENTAL SPECIFICATIONS**|| |Operating Temperature||-40 ~ +85 °C| |Storage Temperature||-40 ~ +85 °C| |RoHS Compliant||Yes| ## Issue: 2046 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. 2 ## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** ## **MECHANICAL DRAWING** ## Issue: 2046 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 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION ## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** ## **PWB Layout** ## Issue: 2046 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** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **PWB Layout** ## Issue: 2046 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** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **PWB Layout** ## Issue: 2046 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. 6 ## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **PWB Layout** ## Issue: 2046 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. 7 ## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **PWB Layout** ## Issue: 2046 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. 8 **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** ## **CHARTS** ## Return Loss ## Issue: 2046 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 In the effort to improve our products, we reserve the right to make changes judged to be necessary. CONFIDENTIAL AND PROPRIETARY INFORMATION ## **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** ## **CHARTS** **==> picture [39 x 14] intentionally omitted <==** **----- Start of picture text -----**<br> Gain<br>**----- End of picture text -----**<br> ## Radiation Efficiency ## Issue: 2046 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** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **CHARTS** **==> picture [181 x 167] intentionally omitted <==** **----- Start of picture text -----**<br> Z+ : (Theta) = 0 <br>X+ : (Phi) = 0 <br>Y+ : (Phi)<br>=+90 <br>**----- End of picture text -----**<br> ## Issue: 2046 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** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna ## **PART NUMBER: W3118A** ## **Recommendation for reflow soldering processCHARTS** ## Issue: 2046 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 **Description** : 850 MHz RX Diversity Helical SMD Antenna ## **Series:** Helical SMD Antenna **PART NUMBER: W3118A** ## **PACKAGING** 600pcs antennas packed in a tape & reel. - 1 label on each tape & reel with part number, date code and Qty. - 4 tape & reels of antennas (total 2400pcs antennas) packed in a Carton - 1 label on each Carton with part number, date code and Qty. P.S.: The antenna is placed vertically in the tape & reel, so it can be picked and placed for the SMT process. ## Issue: 2046 13 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.
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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