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SMA-J female connector 2dbi 400-470MHz handheld antenna

Professional UHF Band Precision Optimization
Focusing on the 400-470MHz UHF band, it provides precise signal reception and transmission performance, perfectly compatible with professional walkie-talkies and commercial radio equipment.
 
  • GL300A

  • Asialeren

  • 8517710000

  • 100pc

  • Accepted

  • 10000pc/day

  • GL300A.png

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Item

Hand Held Antenna

PN

GL300A

Frequency Range (MHz)

400-470

Impedance (Ω)

50

V.S.W.R

<1.3

Gain (dBi)

2

Connector

SMA-J

Length-mm

170

Weight

19g

Product Introduction

Professional UHF Band Precision Optimization

Focusing on the 400-470MHz UHF band, it provides precise signal reception and transmission performance, perfectly compatible with professional walkie-talkies and commercial radio equipment.


Ultra-Low VSWR for Superior Performance

With an ultra-low VSWR of <1.3, the signal transmission efficiency is 20% higher than ordinary antennas, ensuring longer communication distances and clearer signals.


Optimized Length and Weight Design

The professional 170mm length combined with a lightweight 19g design provides a comfortable grip while ensuring excellent performance, making it burden-free for extended use.


Universal SMA-J Interface Compatibility

Utilizing an SMA-J (female) interface design, it is compatible with most brands of commercial walkie-talkies, making installation simple and quick, and ensuring a stable and reliable connection.


Durable Professional-Grade Construction

Manufactured with high-quality materials, the robust and durable structure has undergone rigorous testing to ensure long-term stability in frequently used commercial environments.


Application Scenarios

Commercial Intercom Systems: Professional walkie-talkie communication for hotels, shopping malls, and construction sites


Security Patrol Operations: Daily patrol communication equipment for security personnel


Warehouse and Logistics Management: Internal communication and coordination for warehouses and logistics centers


Food and Beverage Retail Services: Employee communication tools for restaurants and retail stores


Outdoor Team Collaboration: Coordination and communication equipment for outdoor work teams


FAQ


Q: Which devices is the GL300A compatible with?

A: Compatible with all commercial walkie-talkies and handheld radios equipped with an SMA-J interface supporting the 400-470MHz UHF band.


Q: What are the characteristics of the SMA-J interface?

A: The SMA-J is a female connector, perfectly matching the male connector on the device, ensuring a secure connection and stable signal transmission.


Q: What are the practical benefits of VSWR < 1.3?

A: A lower VSWR means higher signal transmission efficiency, enabling longer communication distances and clearer call quality.


Q: Is installation complicated? 

A: It's very simple. Just align the connector and rotate to tighten. No tools are needed, and the installation process takes only a few seconds.


Q: What are its advantages compared to other antennas?

A: Professional optimization focused on the UHF band, ultra-low VSWR design, reasonable length-to-weight ratio, and a highly competitive price.


Q: How to identify the SMA-J connector?

A: The SMA-J connector is a female connector with internal threads, which can be screwed onto the male connector on the device for secure installation.

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