CB144-440C

Antennas RF Overview

The TE Connectivity CB144-440C is a dual-band vehicular whip antenna designed for VHF and UHF communications. It operates within the 144MHz ~ 148MHz and 440MHz ~ 450MHz frequency ranges, with center frequencies at 146MHz and 445MHz respectively. The antenna features a straight whip design with a total length of 38 inches. It provides gains of 2dB in the VHF band and 5dB in the UHF band. The unit utilizes an NMO base mount interface and maintains a Voltage Standing Wave Ratio (VSWR) of 1.5.

Antennas RF Feature Summary

• Dual-band operation supporting both VHF and UHF vehicle communication bands
• Straight whip construction optimized for vehicular mounting applications
• NMO base mount interface for secure installation on metal surfaces

Antennas RF Applications

• VHF/UHF mobile radio installations in vehicles
• Emergency service vehicle communications systems
• Commercial fleet two-way radio setups

Antennas RF Procurement Notes

Verify component authenticity through authorized TE Connectivity distributors or certified partners. Confirm that the received item matches the specific part number CB144-440C. Check for physical integrity of the whip element and NMO connector threads. Ensure compliance with RoHS standards as indicated in official documentation. Review product change notices for any historical manufacturing updates prior to integration.

Antennas RF Selection Notes

Select this model when dual-band coverage is required for both VHF and UHF frequencies in a single vehicular unit. The NMO base mount is standard for many commercial and emergency vehicles. Consider the 38-inch length for clearance requirements. Verify that the 2dB and 5dB gain specifications meet the system link budget. Ensure the operating temperature range aligns with the intended environmental conditions.

Antennas RF Part Context

This component belongs to the CB144 series of vehicular antennas from TE Connectivity. The series includes various configurations tailored for different frequency bands and mounting styles. The CB144-440C specifically addresses the need for combined VHF and UHF performance in mobile environments. It is distinct from single-band variants within the same family.

Antennas RF Replacement Considerations

The CB144-440C has been declared obsolete with an End of Life date of June 5, 2024. No direct public substitute part numbers are confirmed in the provided documentation. Users must evaluate alternative dual-band vehicular antennas from TE Connectivity or other manufacturers that offer compatible NMO mounting and similar frequency coverage.