EXD400SMI

Antennas RF Overview

The EXD400SMI is a molded helical antenna manufactured by TE Connectivity, designed for operation within the 400-420 MHz frequency range. This 1/4 wave antenna features an SMA male connector and measures 2.5 inches in length with a maximum height of 3.800 inches (96.52mm). It utilizes a connector mount type and is RoHS compliant. The component carries a five-year warranty and is classified under the base product number EXD400.

Antennas RF Feature Summary

• Molded helical construction for durability
• SMA male connector interface
• Optimized for 400-420 MHz band

Antennas RF Applications

• RF communication systems requiring 400-420 MHz coverage
• Mobile radio installations
• Industrial telemetry equipment

Antennas RF Procurement Notes

Verify the specific suffix SMI against official TE Connectivity documentation to confirm exact physical dimensions and connector specifications. Ensure compatibility with existing SMA male ports on target devices. Confirm RoHS compliance status if required for regulatory adherence. Cross-reference the base part number EXD400 for potential variant differences.

Antennas RF Selection Notes

Select this model when a compact, molded helical design is required for the 400-420 MHz spectrum. The SMA male interface dictates mating cable or device port requirements. Consider the 3.800-inch height constraint for mounting clearance. Validate that the 1/4 wave electrical characteristics meet system gain and impedance needs.

Antennas RF Part Context

This antenna belongs to the EXD400 series from TE Connectivity, focusing on reliable RF transmission in the VHF/UHF transition bands. It represents a standard solution for applications needing robust, pre-tuned antennas without complex assembly. The series emphasizes ease of installation via the integrated connector.

Antennas RF Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult TE Connectivity directly for equivalent models with compatible frequency ranges and connector types.