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Symmetric Rectangular Slot 2.4GHz Patch Antenna with Coaxial Feeding

2025-09-08

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  Symmetric Rectangular Slot 2.4GHz Patch Antenna with Coaxial Feeding – Stable Connectivity for IoT & Smart Devices

  Elevate 2.4GHz Wireless Performance with Precision-Engineered Design

  Our Symmetric Rectangular Slot 2.4GHz Patch Antenna is tailored for devices relying on the 2.4GHz ISM band (2.4–2.4835GHz) – the backbone of IoT sensors, smart home gadgets, wireless routers, and industrial monitors. Its unique symmetric rectangular slot structure, paired with low-loss coaxial feeding, delivers consistent signal quality, broad bandwidth, and easy integration – solving common pain points like signal dropouts and limited compatibility for your end products.

  Core Design Advantages: Why Symmetric Slots + Coaxial Feeding?

  The antenna’s standout features are engineered to meet the demands of modern wireless devices:

  Symmetric Rectangular Slot Structure: Ensures balanced current distribution across the patch, reducing signal reflection and boosting impedance matching. This design widens the operating bandwidth (up to 80MHz) – critical for avoiding interference in the crowded 2.4GHz band (shared by WiFi, Bluetooth, Zigbee, and IoT protocols).

  Coaxial Feeding: Eliminates complex microstrip feedline losses, ensuring efficient power transfer from your device’s radio module to the antenna. The coaxial connector (SMA/RP-SMA optional) is robust, easy to solder, and compatible with 90% of 2.4GHz wireless modules on the market.

  Low-Profile Form Factor: At just 30mm × 25mm × 1.6mm (patch size), it fits seamlessly into compact devices (e.g., smart thermostats, portable IoT sensors, small routers) without sacrificing performance.

  Key Performance Specifications

  We prioritize measurable reliability – every antenna undergoes strict testing to meet industrial standards:

  ParameterSpecification

  Frequency Range2.4–2.4835GHz (full 2.4GHz ISM band)

  Gain2.8dBi ± 0.3dBi (omnidirectional in H-plane)

  VSWR≤ 1.5:1 (ensures minimal power loss)

  Radiation Efficiency≥ 85% (high energy conversion rate)

  Impedance50Ω (standard for wireless modules)

  Maximum Input Power20W (suitable for high-power routers)

  Connector TypeSMA Male / RP-SMA Male (customizable)

  Substrate MaterialFR4 (εr=4.4, tanδ=0.02) – cost-effective & durable

  Operating Temperature-40°C to +85°C (works in harsh environments)

  Wide Compatibility for Diverse Applications

  This antenna is not just a component – it’s a versatile solution for your product lineup:

  IoT Devices: Works with Zigbee, LoRaWAN, and BLE sensors (e.g., asset trackers, environmental monitors).

  Smart Home Gadgets: Integrates into smart lights, doorbells, and thermostats for stable Bluetooth/WiFi connectivity.

  Wireless Routers & APs: Enhances coverage for small-office/home-office (SOHO) routers, reducing dead zones.

  Industrial Equipment: Compatible with 2.4GHz wireless controllers for factory automation and remote monitoring.

  Easy Integration & Compliance

  We make your manufacturing process smoother:

  Plug-and-Play Compatibility: The coaxial connector directly mates with most 2.4GHz radio modules (e.g., ESP32, Arduino WiFi Rev2, Quectel BG95).

  FCC/CE Certified: Meets international regulatory standards (FCC Part 15.247, CE EN 300 328) – no extra testing needed for global markets.

  Robust Construction: FR4 substrate resists moisture and mechanical stress, while the gold-plated connector ensures long-term conductivity (≥ 10,000 insertion cycles).

  Partner with Us for Bulk & Custom Solutions

  Whether you need 100 units for prototyping or 10,000 for mass production:

  Bulk Pricing: Enjoy tiered discounts for large orders (save up to 30% on quantities over 5,000).

  Customization: We offer tailored patch sizes, connector types (e.g., U.FL for ultra-compact devices), and substrate materials (e.g., Rogers RO4350B for high-frequency precision).

  Technical Support: Our engineers provide 2D/3D design files (DXF, STEP) and simulation data (HFSS/CST) to help you integrate the antenna into your PCB in days, not weeks.

  Invest in a Antenna That Boosts Your Product’s Value

  A reliable 2.4GHz antenna isn’t an afterthought – it’s what makes your device stand out. Our Symmetric Rectangular Slot Antenna ensures your customers get consistent, long-range connectivity, while you get a cost-effective, easy-to-integrate component.

  Contact our sales team today for samples, custom quotes, or technical consultations. Let’s build wireless products that perform – together.

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VLG WIRELESS TECHNOLOGY CO., LTD

VLG WIRELESS TECHNOLOGY CO., LTD