Pulse W3078
Overview
The W3078 is a compact ceramic dual-band WiFi chip antenna designed for 2.4GHz and 5GHz applications. Measuring just 3.2 x 1.6 x 1.1 mm, it provides a surface-mount solution for high-density wireless designs including WiFi 6E and 802.15.4 ZigBee systems.
Why Choose This Part
The W3078 offers an omnidirectional radiation pattern with a peak gain of 4.3dBi in the 5GHz band. Its tiny SMD footprint and MSL 1 rating simplify the manufacturing process while providing consistent RF performance compared to PCB trace antennas.
Applications
Key Specifications
Getting Started
Implementation requires a specific ground plane clearance and matching circuit as defined in the Pulse Electronics datasheet to achieve the -10dB return loss at 2.4GHz. Designers should follow the recommended land pattern and keep the keep-out area free of copper and components to ensure optimal radiation efficiency.



