2.4GHz 4dBi WiFi Internal PCB Antenna IPEX U.FL 120mm Cable

🔧 2.4GHz 4dBi Internal PCB Antenna | AuscomTech

This is a compact internal PCB antenna designed for 2.4GHz wireless modules and embedded WiFi applications.

It provides omnidirectional signal reception with a 4dBi gain rating, 50 ohm impedance, and an IPEX / U.FL style mini coax connector for compatible wireless boards.

Suitable for ESP32 modules, WiFi routers, IoT devices, Bluetooth projects, Zigbee modules, and other 2.4GHz wireless systems requiring an internal antenna.

⭐ Key Features

• 2.4GHz Wireless Band – designed for 2400 to 2700MHz WiFi, Bluetooth, Zigbee, and IoT applications
• 4dBi Gain – improves internal wireless signal performance where compatible
• Omnidirectional Pattern – suitable for general embedded wireless coverage
• IPEX / U.FL Connector – mini coax connector for compatible RF modules and development boards
• Compact PCB Radiator – slim internal antenna design for small enclosures
• 50 Ohm Impedance – standard RF impedance for many wireless modules
• Adhesive Backing – can be mounted inside plastic enclosures or project housings

📊 Technical Specifications

• Product Type: Internal PCB antenna
• Frequency Range: 2400 to 2700MHz
• Gain: 4.0 ±0.7dBi
• S.W.R: ≤2.0
• Polarisation: Linear
• Impedance: 50 ohm
• Radiator Material: PCB
• Connector Type: Mini coax connector, IPEX / U.FL style
• Cable Type: 1.13mm outer diameter coaxial cable
• Antenna PCB Size: approx. 47 × 7mm
• Cable Length: approx. 100 to 125mm depending on batch
• Pull Test: ≥1.0kg
• Operating Temperature: -40°C to +65°C
• Storage Temperature: -40°C to +80°C

🧩 Typical Applications

• ESP32 and compatible WiFi development boards with antenna connector
• Wireless router and access point repairs or upgrades
• IoT sensor nodes and smart home devices
• Bluetooth embedded electronics
• Zigbee and 2.4GHz RF modules
• Internal antenna replacement for compact enclosures

⚠️ Important Notes

• Check your module connector type before ordering; this antenna uses an IPEX / U.FL style mini connector.
• Not suitable for boards that only have a built-in PCB antenna with no external connector.
• Best performance is usually achieved when mounted away from metal surfaces, batteries, and high-current wiring.
• For 2.4GHz band use only; not designed for 5GHz WiFi.
• Cable length may vary slightly by production batch.

📦 Package Includes

• 1 × 2.4GHz 4dBi Internal PCB Antenna with IPEX / U.FL Style Connector

🔗 Recommended Accessories (Not Included)

• ESP32 development board with external antenna connector – for WiFi and Bluetooth projects
• 2.4GHz wireless module – for embedded RF applications
• Plastic project enclosure – for internal antenna mounting
• U.FL extension cable – for repositioning compatible antennas