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143mm height 3dBi gain WiFi Band Magnet Antenna

magnet antenna wifi band 143mm height
The magnet antenna for wifi operates on the 143mm band height. It is designed to enhance the signal reception and transmission capabilities of wireless devices. 
  • GL-DYG840

  • Asialeren

  • 8517710000

  • 100pc

  • Accepted

  • 10000pc/day

  • GL-DYG840.pdf

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The magnet antenna for wifi operates on the 143mm band height. It is designed to enhance the signal reception and transmission capabilities of wireless devices. By utilizing magnetic properties, this antenna can be easily attached to metal surfaces for optimal performance. The 143mm height ensures that the antenna can effectively capture signals within the designated frequency range, providing reliable connectivity for various applications. Its compact size and versatile mounting options make it a convenient choice for improving wifi signal strength in both residential and commercial settings. With this magnet antenna, users can experience faster speeds and more stable connections for their wireless devices.

GSM/3G Magnet Antenna

GL-DYG840

Electrical Index

Frequency-MHz

800-2100

VSWR

<1.5

Gain -dBi

3

Normal Impedance -Ω

50

Polarization

Liner

Mechanical Index

Cable Length

RG174,2.5m

Connector

SMA male

Antenna Dimension-mm

φ30*143.3

Installation Way

Magnet

Vibration

10 to 55Hz with 1.5mm amplitude 2hours

Environmentally Friendly

ROHS Compliant

Temperature-℃

-40~+85

Humidity-﹪

5~95

Differences between similar products

P/N

GL245810

GL-DY856

GL-DY840  

Frequency-Mhz

2400-5800

2400-5800

800-2100

Gain-dBi

5

5

3

Size-mm

Φ30×146

Φ30×260

φ30*143.3


840 drawing testing

微信图片_20230803102911

Product Introduction

  1. Instant Magnetic Installation: Strong base adheres to any metal surface – deploy in 10 seconds on vehicles/equipment without drilling.

  2. Ultra-Wide Frequency Support: Covers 800-2100MHz for GSM/2G/3G, IoT sensors, and legacy industrial devices.

  3. Premium Signal Efficiency: Industry-leading <1.5 VSWR ensures 97%+ power transfer – reduces battery drain in mobile applications.

  4. Military-Grade Durability: Survives extreme conditions (-40°C to 85°C, 95% humidity) and intense vibration (55Hz/1.5mm).

  5. Ready-to-Use Kit: Includes 2.5m RG174 cable with SMA male connector – plug-and-play with trackers/routers.

Application scenarios

  • Fleet Telematics: GPS trackers on trucks/taxis in harsh climates.

  • Mobile Command Centers: Emergency communication vehicles.

  • Agricultural Machinery: Combines/tractors in dusty fields.

  • Marine Equipment: Boats/RVs with metal surfaces.

  • Remote IoT Sensors: Temporary deployments on oil/gas equipment.


GL-DY840

FAQ 

Q: Will this work with 4G/LTE devices?
A: No. Max frequency is 2100MHz (3G). For 4G, use our GL-DYL2600 model.


Q: How strong is the magnet?
A: Holds securely at 100km/h+. Tested at 55Hz vibration (equivalent to heavy machinery).


Q: Can I shorten the 2.5m cable?
A: Not recommended – cutting RG174 cable requires specialized tools to maintain 50Ω impedance.


Q: Is it waterproof?
A: The antenna body is weather-resistant. Seal the SMA connector with self-amalgamating tape for submersion.


Q: Compatible with Teltonika/Trackimo trackers?
A: Yes! Most 3G trackers use SMA female ports. Check device specs first.


Q: Why choose magnetic over adhesive mounts?
A: Magnets allow repositioning without residue – ideal for rental fleets or temporary sites.


Q: Does ROHS compliance matter for antennas?
A: Critical for EU/NA imports. Ensures no hazardous materials (lead/mercury) are used.


Q: How does <1.5 VSWR save power?
A: Minimizes reflected power – extends battery life by 15-20% in solar-powered trackers.

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