The K7021-W 2.4GHz WiFi/Bluetooth Wire Antenna by AntennaHome delivers exceptional wireless performance with flexible wire-mount design engineered specifically for IoT applications, embedded systems, and space-constrained devices. This versatile wire connection antenna combines compact size with superior radiation efficiency, making it the ideal solution for Bluetooth devices, WiFi-enabled products, and industrial wireless designs requiring flexible placement options.
Features
- Flexible Deployment Options: Unique wire-based design allows for optimal antenna positioning away from interference sources, overcoming PCB space limitations
- Optimized 2.4GHz Performance: Precisely tuned for the 2400-2500MHz band, covering all Bluetooth and WiFi 2.4GHz channels with excellent efficiency
- Superior Gain: Exceptional 2.5dBi peak gain delivers extended range and reliable connectivity compared to PCB trace or chip antennas
- High Radiation Efficiency: Advanced design ensures >75% efficiency for maximum power utilization and improved battery life in portable devices
- Excellent Return Loss: VSWR ≤2.0 across the entire operating band minimizes reflected power and maximizes system performance
- Omnidirectional Pattern: Well-balanced radiation pattern provides consistent coverage regardless of device orientation
- Flexible 100mm Coaxial Connection: High-quality RF cable allows optimal antenna positioning independent of main PCB location
- Compact Form Factor: 7.0×2.0×1.3mm antenna element with 100mm cable offers minimal footprint impact on the final product
- Lead-Free & RoHS Compliant: Environmentally friendly construction suitable for global markets and regulatory requirements
- Extended Temperature Range: Reliable operation from -40°C to +85°C for demanding industrial and automotive applications
Specifications
- Product Model: K7021-W 2.4GHz WiFi/Bluetooth Wire Antenna
- Part Number: AH3G.405W
- Frequency Range: 2400-2500MHz
- Peak Gain: 2.5dBi
- Efficiency: >75%
- VSWR: ≤2.0
- Impedance: 50Ω
- Polarization: Linear
- Radiation Pattern: Omnidirectional
- Antenna Dimensions: 7.0×2.0×1.3mm (0.275×0.079×0.051in)
- Cable Type: RF1.13 coaxial cable
- Cable Length: 100mm (3.94in) standard (custom lengths available)
- Connector Type: I-PEX MHF4 compatible (alternative connectors available)
- Weight: 0.8g including cable
- Material: High-performance ceramic with precision metallization
- Operating Temperature: -40°C to +85°C (-40°F to +185°F)
- Storage Temperature: -40°C to +125°C (-40°F to +257°F)
- RoHS Compliant: Yes
Applications
The K7021-W 2.4GHz WiFi/Bluetooth Wire Antenna is ideal for:
- Bluetooth Devices: Headphones, speakers, fitness trackers, medical devices, and peripheral equipment
- WiFi-Enabled Products: IoT sensors, smart home devices, security systems, and wireless control units
- Compact Electronics: Designs with limited PCB space requiring remote antenna placement
- Metal-Encased Devices: Products with metal housings where the antenna needs to be positioned near a non-metallic opening
- Wearable Technology: Fitness bands, smartwatches, medical monitors, and smart apparel with flexible layout requirements
- Industrial IoT: Sensors, monitors, controllers, and automation equipment in electromagnetically challenging environments
- Smart Home Products: Thermostats, lighting controls, security cameras, and home automation hubs
- Asset Tracking: Bluetooth beacons, inventory management systems, and logistics solutions
- Medical Devices: Patient monitors, diagnostic equipment, and telemedicine solutions with strict placement requirements
- Automotive Applications: Keyless entry systems, tire pressure monitoring, and infotainment connectivity requiring optimal antenna positioning
Compatible Wireless Standards
- Bluetooth: Classic Bluetooth and Bluetooth Low Energy (BLE) versions 4.0, 4.2, 5.0, 5.1, 5.2, and 5.3
- WiFi: IEEE 802.11b/g/n 2.4GHz
- Zigbee: IEEE 802.15.4 2.4GHz
- Thread: IEEE 802.15.4 2.4GHz
- Matter: Compatible with Matter-enabled devices operating in the 2.4GHz band
- Proprietary 2.4GHz: Custom wireless protocols and specialized applications
Design Considerations
- Placement Flexibility: Can be positioned away from interference sources, ground planes, or metal shields for optimal performance
- Installation Options: Can be secured using adhesive tape, plastic clips, or custom mounting solutions
- Cable Routing: Avoid sharp bends (minimum bend radius 2mm) and proximity to high-speed digital lines
- Connector Compatibility: Standard I-PEX MHF4 connector compatible with most wireless modules; alternative connector options available
- Custom Configurations: Cable length, connector type, and mounting options can be customized for volume production
Shipping List
Each order includes:
- K7021-W 2.4GHz WiFi/Bluetooth Wire Antennas with 100mm cable and I-PEX MHF4 compatible connector
- Technical specification sheet with detailed electrical parameters and radiation patterns
- Integration guidelines with recommended placement and installation techniques
- Certificate of Compliance for material composition and manufacturing standards
- Protective packaging to prevent damage during shipping and storage
Note: Available in standard packaging quantities (10, 50, 100, 500 pieces). Sample quantities available upon request for evaluation and prototyping. Custom cable lengths, connector types, and mounting options available for volume orders.
The K7021-W 2.4GHz WiFi/Bluetooth Wire Antenna represents AntennaHome's commitment to delivering flexible RF solutions for challenging design requirements. This premium wire connection antenna combines advanced materials, precision manufacturing, and versatile installation options to deliver exceptional wireless connectivity in applications where PCB space is limited or antenna placement flexibility is essential for optimal performance.