YCGS004AA

Antennas RF Overview

The Quectel YCGS004AA is a ceramic patch GNSS antenna designed for surface mount applications. It supports multiple global navigation satellite systems including GPS, GLONASS, Galileo, and BeiDou. The component operates within the L1 frequency band, specifically covering 1560–1606 MHz with a center frequency of 1.575 GHz. It features a compact form factor suitable for integration into mobile devices and IoT modules.

Antennas RF Feature Summary

• Supports multi-constellation GNSS reception including GPS, GLONASS, Galileo, and BeiDou
• Utilizes ceramic patch technology for robust signal performance
• Designed for surface mount device (SMD) integration

Antennas RF Applications

• Mobile phone positioning
• IoT module integration
• Vehicle tracking systems
• Wearable device navigation

Antennas RF Procurement Notes

Verify that the specific order matches the YCGS004AA part number to ensure compatibility with L1 band requirements. Confirm package type and mounting orientation against design specifications. Check for active status and availability through authorized channels to avoid counterfeit components. Ensure environmental ratings meet project operational standards.

Antennas RF Selection Notes

Select this antenna when multi-constellation support is required in a compact SMD footprint. Consider its ceramic construction for durability in consumer electronics. Evaluate spatial constraints as it is optimized for small form factors. Ensure RF interface compatibility with the host baseband processor or modem solution.

Antennas RF Part Context

This component belongs to Quectel's GNSS antenna series, which includes models like YCGS005AA and YAT001AA. These antennas are typically paired with cellular modules such as the FCS945R reference designs. The series focuses on providing reliable positioning capabilities for embedded applications requiring global coverage.

Antennas RF Replacement Considerations

Check datasheets for compatible alternatives within the same manufacturer family, such as YCGS005AA or YAT001BA. Verify pinout compatibility and mechanical dimensions before substitution. Ensure replacement parts maintain identical frequency band support and radiation pattern characteristics.