B1443-L

Antennas RF Overview

The TE Connectivity B1443-L is a VHF mobile whip antenna designed for the 144MHz to 174MHz frequency range, with a center frequency of 159MHz. It features a straight whip configuration and an NMO base mount. The antenna provides a gain of 3dBi and supports a maximum power input of 100W. Key electrical parameters include a Voltage Standing Wave Ratio (VSWR) of 2 and an impedance of 50 Ohms. The unit has a maximum height of 48.125 inches (122.24cm) and meets IP67 ingress protection standards.

Antennas RF Feature Summary

• Base-loaded 5/8 wave design incorporating an elastomer spring for mechanical flexibility
• Vertical polarization optimized for mobile radio communications
• NMO base mounting interface for secure vehicle installation
• IP67 rated construction ensuring resistance to dust and water immersion

Antennas RF Applications

• Police cruisers and law enforcement vehicles
• Municipal and public service vehicles
• Emergency response vehicles
• Industrial fleet communication systems

Antennas RF Procurement Notes

Verify the specific suffix and revision level against the manufacturer's current datasheet to ensure compatibility with existing vehicle mounting hardware. Confirm that the NMO base diameter matches the intended installation surface. Check for any recent Product Change Notifications (PCN) regarding material or manufacturing location updates that may affect physical dimensions or performance characteristics prior to finalizing procurement orders.

Antennas RF Selection Notes

Select this model when a robust, high-gain VHF antenna is required for heavy-duty mobile applications. The 100W power rating suits high-output transceivers common in professional two-way radio systems. Ensure the vehicle roof structure can support the physical length and wind load of the 122.24cm whip. Consider the NMO mount requirement, which necessitates a drilled hole or compatible adapter plate on the vehicle body.

Antennas RF Part Context

This component belongs to the TE Connectivity vehicular antenna portfolio, specifically engineered for VHF band operations. It serves as a replacement or upgrade for legacy mobile antennas requiring higher gain and durability. The product line emphasizes reliability in harsh environments, utilizing stainless steel elements and weather-resistant coatings to maintain signal integrity over extended operational lifespans.

Antennas RF Replacement Considerations

The B1443R is a related variant within the same family but is listed as obsolete. Verify if the B1443-L serves as the direct functional successor for discontinued units. Ensure that any substitute part maintains the identical NMO base footprint and 50-ohm impedance to avoid impedance mismatch issues in the existing RF feed line.