RFANT5220110A2T

Antennas RF Overview

The RFANT5220110A2T is a passive ceramic PCB antenna manufactured by Walsin Technology Corporation. Designed for surface mount applications, it supports Bluetooth and WLAN protocols including 802.11 a/b/g standards. The component operates across multiple frequency bands with center frequencies at 2.4 GHz, 4.9 GHz, and 5.8 GHz. It features a chip mechanical form factor with dimensions of 5.2 mm in length, 2.0 mm in width, and 1.1 mm in height. The antenna provides gains of 1.5 dBi, 4 dBi, and 4 dBi respectively, with an impedance of 50 Ohms and a VSWR of 2.

Antennas RF Feature Summary

• Supports multiprotocol wireless communication standards including Bluetooth and WLAN
• Utilizes compact ceramic construction for reliable high-frequency performance
• Designed for direct surface mount integration onto printed circuit boards

Antennas RF Applications

• Bluetooth devices
• WLAN equipment
• RF devices

Antennas RF Procurement Notes

Verify the specific datasheet version to confirm current RoHS compliance status and detailed electrical tolerances. Ensure that the receiving facility has appropriate ESD protection measures during handling. Confirm that the PCB layout matches the recommended footprint specifications provided in the official documentation to maintain signal integrity and proper impedance matching.

Antennas RF Selection Notes

Select this component when space-constrained designs require integrated support for both Bluetooth and Wi-Fi connectivity. The 5.2x2.0 mm package size offers a small footprint suitable for portable electronics. Consider the specific gain requirements for each band to ensure adequate coverage for the intended application environment without requiring external amplification.

Antennas RF Part Context

This part belongs to the RFANT series of passive antennas from Walsin Technology Corporation. The series includes various models tailored for different wireless standards and physical dimensions. These components are engineered for use in mobile communications and networking applications where compact, reliable RF transmission is required.

Antennas RF Replacement Considerations

The RFANT5220110A0T is listed as an industry-standard alternative within the same product family. Verify dimensional compatibility and electrical parameter alignment before substitution.