A144/440C

Q: What is the mounting type for the A144/440C?

It uses an NMO base mount for secure installation on vehicle roofs.

Q: Does this antenna support both VHF and UHF bands?

Yes, it operates in the VHF range (144-148MHz) and UHF range (440-450MHz).

Description：RF ANT 146/445MHZ WHIP STR 38"
Series：-
Mfr：TE Connectivity
Package：Bulk

SKU:3a246e83a802 Category: RF Antennas Brand: TE Connectivity

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Product introduction

Product Detailed Parameters

Description：RF ANT 146/445MHZ WHIP STR 38"
Series：-
Mfr：TE Connectivity
Package：Bulk
RF Family/Standard：-
Frequency Group：VHF (f < 300MHz), UHF (300MHz ~ 1GHz)
Frequency (Center/Band)：146MHz, 445MHz
Frequency Range：144MHz ~ 148MHz, 440MHz ~ 450MHz
Antenna Type：Whip, Straight
Number of Bands：2
VSWR：1.5
Return Loss：-
Gain：0dB
Features：-
Termination：NMO
Ingress Protection：-
Mounting Type：Base Mount
Height (Max)：38.000" (965.20mm)
Applications：-
Power - Max：-

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A144/440C

Overview

The A144/440C is a dual-band whip antenna manufactured by TE Connectivity, designed for vehicular mounting via an NMO base. It operates across two frequency bands: VHF (144MHz to 148MHz) and UHF (440MHz to 450MHz), with center frequencies at 146MHz and 445MHz respectively. The antenna provides gains of 2dB in the VHF band and 5dB in the UHF band. It features a straight whip design with a voltage standing wave ratio (VSWR) of 1.5, ensuring efficient signal transmission for mobile radio applications.

Feature Summary

Dual-band operation supporting both VHF and UHF mobile radio frequencies
Straight whip design optimized for vehicular installation
NMO base mount for secure attachment to vehicle surfaces
Low VSWR performance for efficient signal transfer

Applications

Mobile VHF/UHF radio installations in vehicles
Emergency service vehicle communications
Commercial fleet communication systems
Marine vessel radio setups

Procurement Notes

Verify availability status as this component may be discontinued or subject to supply constraints. Confirm exact specifications against the latest manufacturer datasheet before integration. Ensure compatibility with existing NMO mounts and radio equipment interfaces. Check for any recent product change notifications that might affect performance or form factor.

Selection Notes

Select this model when dual-band coverage is required for both VHF and UHF bands in a single compact unit. Consider the NMO mounting requirement and ensure sufficient roof space for the whip length. Evaluate gain requirements, noting the higher UHF gain compared to VHF. Verify environmental ratings if used in harsh conditions beyond standard vehicular use.

Part Context

This part belongs to TE Connectivity's RF antenna portfolio, specifically designed for mobile communications. It complements other vehicular antennas by offering dual-band functionality, reducing the need for separate VHF and UHF units. The NMO base ensures standardized mounting across various vehicle types.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult TE Connectivity directly for current alternatives or updated models replacing this specific configuration.