SMD-Mounted 5.8GHz WiFi Antenna – Ultra-Compact Solution for Miniature IoT Sensors
Solve "Space vs. Performance" for Your Compact IoT Sensors
For IoT sensor manufacturers, the biggest challenge is fitting high-performance wireless components into ultra-small enclosures (often ≤20mm×20mm). Our SMD-Mounted 5.8GHz WiFi Antenna eliminates this tradeoff: it’s designed as a surface-mount component (no bulky connectors) to blend seamlessly with your sensor’s PCB, while delivering reliable 5.8GHz WiFi connectivity for fast, interference-free data transmission.
Core Advantages: Built for Compact IoT Success
Every feature is engineered to meet the unique needs of miniature sensors:
SMD "Zero-Space" Integration: No external antennas or coaxial cables – the antenna is directly soldered onto your PCB via standard SMT (Surface Mount Technology) processes. Saves up to 40% of PCB space vs. traditional plug-in antennas, fitting even 15mm×15mm sensor boards.
5.8GHz Band Advantage: Operates in the less congested 5.15–5.85GHz U-NII bands (avoids 2.4GHz interference from Bluetooth, Zigbee, and household devices), ensuring stable data transfer for real-time sensor data (e.g., environmental monitoring, industrial telemetry).
Optimized Gain for Short-to-Medium Range: 3.2dBi ±0.3dBi gain balances range (up to 50m in open areas) and compact size – perfect for IoT sensors that transmit to nearby gateways or routers.
Low Power Consumption: Matches the low-power requirements of battery-powered IoT sensors (compatible with WiFi 6/6E low-power modes), extending sensor battery life by reducing radio module workload.
Technical Specifications: Reliable Performance in Miniature Form
We prioritize precision to ensure consistent performance across mass production:
ParameterSpecification
Frequency Range5.150–5.850GHz (full U-NII-1 to U-NII-4 bands)
Gain3.2dBi ± 0.3dBi (omnidirectional H-plane)
VSWR≤1.6:1 (minimizes power loss)
Radiation Efficiency≥80% (high energy conversion)
Impedance50Ω (standard for WiFi modules)
Dimensions (L×W×H)6mm × 4mm × 1.2mm (ultra-thin profile)
Substrate MaterialHigh-temperature FR4 (εr=4.4, tanδ=0.02) – compatible with SMT reflow soldering (260°C max)
Operating Temperature-40°C to +85°C (works in industrial/outdoor environments)
Soldering CompatibilityRoHS-compliant, lead-free (matches IoT manufacturing standards)
Perfect for These Compact IoT Sensors
Our antenna is tailored to the most demanding miniature sensor applications:
Wearable Health Sensors: Fits into smart wristbands, glucose monitors, or fitness trackers, enabling WiFi transmission of health data.
Environmental Monitoring Sensors: Integrates into tiny air quality, temperature, or humidity sensors (e.g., for smart buildings/agriculture) with no space compromise.
Industrial Mini-Sensors: Works with compact vibration, pressure, or proximity sensors in factory automation (resists dust and temperature fluctuations).
Smart Home Micro-Sensors: Ideal for small motion detectors, door/window contacts, or smart meter modules.
Why Manufacturers Love Integrating This Antenna
We design for your production efficiency:
SMT Line Compatibility: Drops directly into your existing SMT assembly process (no manual soldering required), cutting production time by 20% vs. external antennas.
Design Flexibility: Provides Gerber files, 3D models (STEP/IGES), and placement guidelines to help your PCB team integrate the antenna in days (not weeks).
Robust Reliability: Gold-plated pads ensure strong solder joints; the FR4 substrate resists moisture and mechanical stress (passes 1,000-hour temperature cycling tests).
Global Compliance: FCC (Part 15.247) and CE (EN 300 328) certified – no extra regulatory testing needed to sell your sensors in North America, Europe, or Asia.
Partner with Us for Scale & Customization
Whether you’re prototyping or ramping up to 100,000+ units:
Free Samples: Request 5–10 samples to test integration and performance in your sensor.
Bulk Pricing: Enjoy tiered discounts (save up to 35% on orders over 10,000 units).
Custom Options: Need a smaller size (e.g., 5mm×3mm) or higher gain? Our engineers can tailor the antenna to your exact specs.
Make Your Compact IoT Sensors "Wireless-Ready"
A great IoT sensor fails if its wireless connection is spotty. Our SMD-Mounted 5.8GHz WiFi Antenna gives your sensors the reliable, space-efficient connectivity they need – while keeping your production fast and cost-effective.
Contact our sales team today to get samples, technical datasheets, or a custom quote. Let’s turn your miniature sensor designs into market-ready products.
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