ST0543-00-402-U

Antennas RF Overview

The Amphenol RF ST0543-00-402-U is an active GPS ceramic patch antenna designed for embedded applications. It operates within the L1 band, specifically covering a frequency range of 1.574 GHz to 1.576 GHz with a center frequency of 1.575 GHz. The component features a bandwidth of 8 MHz and maintains a standard impedance of 50 Ohms. Physically, it measures 18 mm in length, 18.5 mm in width, and 4.5 mm in height. The antenna utilizes a 1.13 mm coaxial cable interface and is packaged in trays.

Antennas RF Feature Summary

• Active GPS patch technology utilizing ceramic materials for stable performance
• Integrated 1.13 mm coaxial cable connection for direct board integration
• Optimized for embedded GNSS and GPS signal reception

Antennas RF Applications

• Military and security systems requiring precise location tracking
• Internet of Things (IoT) devices needing embedded positioning
• Medical devices with navigation or tracking capabilities

Antennas RF Procurement Notes

Verify that the specific part number matches the required active GPS configuration. Confirm the presence of the integrated 1.13 mm coaxial cable interface during inspection. Ensure the physical dimensions align with the target enclosure constraints. Check for RoHS compliance documentation if environmental regulations apply to the final assembly.

Antennas RF Selection Notes

Choose this model when an active patch antenna is required for L1 band GPS reception. The integrated cable simplifies routing compared to connector-based alternatives. Consider the 18.5 mm footprint for space-constrained PCB layouts. Evaluate the need for active amplification versus passive solutions based on signal strength requirements.

Antennas RF Part Context

This component belongs to the Amphenol RF embedded antennas portfolio, which includes various GNSS and GPS solutions. It is part of a family of active patch antennas designed for internal device integration. Similar models may vary in frequency bands or connector types, but share the same ceramic patch construction methodology.

Antennas RF Replacement Considerations

Direct substitutes include other Amphenol RF active GPS patch antennas such as ST0543-00-403-U or ST0543-00-404-U. Verify that alternative parts match the 1.575 GHz frequency range and 50 Ohm impedance. Ensure the replacement maintains the 1.13 mm cable interface or adapts accordingly.