B4505CNS

Antennas RF Overview

The TE Connectivity B4505CNS is a UHF mobile whip antenna designed for the 450MHz to 470MHz frequency range. It features a straight whip design with a center frequency of 460MHz and provides 5dBi gain. The antenna utilizes an NMO base mount and includes a spring base mechanism, eliminating the need for a metal ground plane. It supports a maximum power rating of 100W and maintains a VSWR of 2. The unit has a maximum height of 32.250 inches (819.15mm) and operates within a temperature range of -35°C to +85°C.

Antennas RF Feature Summary

• Spring base construction eliminates the requirement for a metal ground plane during installation
• NMO base mount ensures secure attachment to vehicle surfaces
• UHF band operation optimized for 450-470MHz communications
• Straight whip design provides consistent radiation characteristics

Antennas RF Applications

• Mobile two-way radio installations in vehicles
• Emergency service vehicle communications systems
• Commercial fleet telemetry and dispatch antennas
• Public safety vehicle RF transmission setups

Antennas RF Procurement Notes

Verify that the receiving vehicle or platform is equipped with an NMO mounting base, as this antenna requires specific hardware for installation. Confirm that the operational frequency aligns with the 450-470MHz range to ensure optimal performance. Check environmental specifications against the deployment site conditions, specifically regarding the operating temperature limits of -35°C to +85°C. Ensure compliance with RoHS standards if required by project regulations.

Antennas RF Selection Notes

Select this model when a ground plane-free solution is necessary for mobile applications. The spring base feature simplifies installation on various vehicle types without additional structural modifications. Consider the 100W power rating for high-power transmitter compatibility. The 5dBi gain offers a balance between signal strength and physical profile for standard mobile use cases.

Antennas RF Part Context

This component belongs to the TE Connectivity B4505 series of base-loaded mobile antennas. It is part of a family of UHF antennas designed for vehicular communication systems. The B4505CNS variant specifically incorporates a chrome finish and spring base configuration, distinguishing it from other models in the series that may utilize different mounting styles or base designs.

Antennas RF Replacement Considerations

The B4505CN is a related model within the same product family. Verify functional equivalence regarding mounting requirements and electrical specifications before substitution. Ensure that any replacement maintains the NMO base interface and 450-470MHz frequency coverage.